639835560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19531}}^1$

素因数の和:19568

約数の個数: 192

約数和(自身を含む): 2559473280

約数和(自身を除く): 1919637720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 19531, 32760, 39062, 58593, 78124, 97655, 117186, 136717, 156248, 175779, 195310, 234372, 253903, 273434, 292965, 351558, 390620, 410151, 468744, 507806, 546868, 585930, 683585, 703116, 761709, 781240, 820302, 878895, 1015612, 1093736, 1171860, 1230453, 1269515, 1367170, 1406232, 1523418, 1640604, 1757790, 1777321, 2031224, 2050755, 2285127, 2343720, 2460906, 2539030, 2734340, 3046836, 3281208, 3515580, 3554642, 3808545, 4101510, 4570254, 4921812, 5078060, 5331963, 5468680, 6093672, 6152265, 7031160, 7109284, 7617090, 8203020, 8886605, 9140508, 9843624, 10156120, 10663926, 11425635, 12304530, 14218568, 15234180, 15995889, 16406040, 17773210, 18281016, 21327852, 22851270, 24609060, 26659815, 30468360, 31991778, 35546420, 42655704, 45702540, 49218120, 53319630, 63983556, 71092840, 79979445, 91405080, 106639260, 127967112, 159958890, 213278520, 319917780, 639835560]

約数ペア:

[(1, 639835560), (2, 319917780), (3, 213278520), (4, 159958890), (5, 127967112), (6, 106639260), (7, 91405080), (8, 79979445), (9, 71092840), (10, 63983556), (12, 53319630), (13, 49218120), (14, 45702540), (15, 42655704), (18, 35546420), (20, 31991778), (21, 30468360), (24, 26659815), (26, 24609060), (28, 22851270), (30, 21327852), (35, 18281016), (36, 17773210), (39, 16406040), (40, 15995889), (42, 15234180), (45, 14218568), (52, 12304530), (56, 11425635), (60, 10663926), (63, 10156120), (65, 9843624), (70, 9140508), (72, 8886605), (78, 8203020), (84, 7617090), (90, 7109284), (91, 7031160), (104, 6152265), (105, 6093672), (117, 5468680), (120, 5331963), (126, 5078060), (130, 4921812), (140, 4570254), (156, 4101510), (168, 3808545), (180, 3554642), (182, 3515580), (195, 3281208), (210, 3046836), (234, 2734340), (252, 2539030), (260, 2460906), (273, 2343720), (280, 2285127), (312, 2050755), (315, 2031224), (360, 1777321), (364, 1757790), (390, 1640604), (420, 1523418), (455, 1406232), (468, 1367170), (504, 1269515), (520, 1230453), (546, 1171860), (585, 1093736), (630, 1015612), (728, 878895), (780, 820302), (819, 781240), (840, 761709), (910, 703116), (936, 683585), (1092, 585930), (1170, 546868), (1260, 507806), (1365, 468744), (1560, 410151), (1638, 390620), (1820, 351558), (2184, 292965), (2340, 273434), (2520, 253903), (2730, 234372), (3276, 195310), (3640, 175779), (4095, 156248), (4680, 136717), (5460, 117186), (6552, 97655), (8190, 78124), (10920, 58593), (16380, 39062), (19531, 32760)]