19812433680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{30677}}^1$

素因数の和:30735

約数の個数: 320

約数和(自身を含む): 76690091520

約数和(自身を除く): 56877657840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 27, 30, 36, 39, 40, 45, 46, 48, 52, 54, 60, 65, 69, 72, 78, 80, 90, 92, 104, 108, 115, 117, 120, 130, 135, 138, 144, 156, 180, 184, 195, 207, 208, 216, 230, 234, 240, 260, 270, 276, 299, 312, 345, 351, 360, 368, 390, 414, 432, 460, 468, 520, 540, 552, 585, 598, 621, 624, 690, 702, 720, 780, 828, 897, 920, 936, 1035, 1040, 1080, 1104, 1170, 1196, 1242, 1380, 1404, 1495, 1560, 1656, 1755, 1794, 1840, 1872, 2070, 2160, 2340, 2392, 2484, 2691, 2760, 2808, 2990, 3105, 3120, 3312, 3510, 3588, 4140, 4485, 4680, 4784, 4968, 5382, 5520, 5616, 5980, 6210, 7020, 7176, 8073, 8280, 8970, 9360, 9936, 10764, 11960, 12420, 13455, 14040, 14352, 16146, 16560, 17940, 21528, 23920, 24840, 26910, 28080, 30677, 32292, 35880, 40365, 43056, 49680, 53820, 61354, 64584, 71760, 80730, 92031, 107640, 122708, 129168, 153385, 161460, 184062, 215280, 245416, 276093, 306770, 322920, 368124, 398801, 460155, 490832, 552186, 613540, 645840, 705571, 736248, 797602, 828279, 920310, 1104372, 1196403, 1227080, 1380465, 1411142, 1472496, 1595204, 1656558, 1840620, 1994005, 2116713, 2208744, 2392806, 2454160, 2760930, 2822284, 3190408, 3313116, 3527855, 3589209, 3681240, 3988010, 4141395, 4233426, 4417488, 4785612, 5521860, 5644568, 5982015, 6350139, 6380816, 6626232, 7055710, 7178418, 7362480, 7976020, 8282790, 8466852, 9172423, 9571224, 10583565, 10767627, 11043720, 11289136, 11964030, 12700278, 13252464, 14111420, 14356836, 15952040, 16565580, 16933704, 17946045, 18344846, 19050417, 19142448, 21167130, 21535254, 22087440, 23928060, 25400556, 27517269, 28222840, 28713672, 31750695, 31904080, 33131160, 33867408, 35892090, 36689692, 38100834, 42334260, 43070508, 45862115, 47856120, 50801112, 53838135, 55034538, 56445680, 57427344, 63501390, 66262320, 71784180, 73379384, 76201668, 82551807, 84668520, 86141016, 91724230, 95252085, 95712240, 101602224, 107676270, 110069076, 127002780, 137586345, 143568360, 146758768, 152403336, 165103614, 169337040, 172282032, 183448460, 190504170, 215352540, 220138152, 247655421, 254005560, 275172690, 287136720, 304806672, 330207228, 366896920, 381008340, 412759035, 430705080, 440276304, 495310842, 508011120, 550345380, 660414456, 733793840, 762016680, 825518070, 861410160, 990621684, 1100690760, 1238277105, 1320828912, 1524033360, 1651036140, 1981243368, 2201381520, 2476554210, 3302072280, 3962486736, 4953108420, 6604144560, 9906216840, 19812433680]

約数ペア:

[(1, 19812433680), (2, 9906216840), (3, 6604144560), (4, 4953108420), (5, 3962486736), (6, 3302072280), (8, 2476554210), (9, 2201381520), (10, 1981243368), (12, 1651036140), (13, 1524033360), (15, 1320828912), (16, 1238277105), (18, 1100690760), (20, 990621684), (23, 861410160), (24, 825518070), (26, 762016680), (27, 733793840), (30, 660414456), (36, 550345380), (39, 508011120), (40, 495310842), (45, 440276304), (46, 430705080), (48, 412759035), (52, 381008340), (54, 366896920), (60, 330207228), (65, 304806672), (69, 287136720), (72, 275172690), (78, 254005560), (80, 247655421), (90, 220138152), (92, 215352540), (104, 190504170), (108, 183448460), (115, 172282032), (117, 169337040), (120, 165103614), (130, 152403336), (135, 146758768), (138, 143568360), (144, 137586345), (156, 127002780), (180, 110069076), (184, 107676270), (195, 101602224), (207, 95712240), (208, 95252085), (216, 91724230), (230, 86141016), (234, 84668520), (240, 82551807), (260, 76201668), (270, 73379384), (276, 71784180), (299, 66262320), (312, 63501390), (345, 57427344), (351, 56445680), (360, 55034538), (368, 53838135), (390, 50801112), (414, 47856120), (432, 45862115), (460, 43070508), (468, 42334260), (520, 38100834), (540, 36689692), (552, 35892090), (585, 33867408), (598, 33131160), (621, 31904080), (624, 31750695), (690, 28713672), (702, 28222840), (720, 27517269), (780, 25400556), (828, 23928060), (897, 22087440), (920, 21535254), (936, 21167130), (1035, 19142448), (1040, 19050417), (1080, 18344846), (1104, 17946045), (1170, 16933704), (1196, 16565580), (1242, 15952040), (1380, 14356836), (1404, 14111420), (1495, 13252464), (1560, 12700278), (1656, 11964030), (1755, 11289136), (1794, 11043720), (1840, 10767627), (1872, 10583565), (2070, 9571224), (2160, 9172423), (2340, 8466852), (2392, 8282790), (2484, 7976020), (2691, 7362480), (2760, 7178418), (2808, 7055710), (2990, 6626232), (3105, 6380816), (3120, 6350139), (3312, 5982015), (3510, 5644568), (3588, 5521860), (4140, 4785612), (4485, 4417488), (4680, 4233426), (4784, 4141395), (4968, 3988010), (5382, 3681240), (5520, 3589209), (5616, 3527855), (5980, 3313116), (6210, 3190408), (7020, 2822284), (7176, 2760930), (8073, 2454160), (8280, 2392806), (8970, 2208744), (9360, 2116713), (9936, 1994005), (10764, 1840620), (11960, 1656558), (12420, 1595204), (13455, 1472496), (14040, 1411142), (14352, 1380465), (16146, 1227080), (16560, 1196403), (17940, 1104372), (21528, 920310), (23920, 828279), (24840, 797602), (26910, 736248), (28080, 705571), (30677, 645840), (32292, 613540), (35880, 552186), (40365, 490832), (43056, 460155), (49680, 398801), (53820, 368124), (61354, 322920), (64584, 306770), (71760, 276093), (80730, 245416), (92031, 215280), (107640, 184062), (122708, 161460), (129168, 153385)]