19272240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 240

約数和(自身を含む): 73120320

約数和(自身を除く): 53848080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 36, 39, 40, 45, 48, 52, 58, 60, 65, 71, 72, 78, 80, 87, 90, 104, 116, 117, 120, 130, 142, 144, 145, 156, 174, 180, 195, 208, 213, 232, 234, 240, 260, 261, 284, 290, 312, 348, 355, 360, 377, 390, 426, 435, 464, 468, 520, 522, 568, 580, 585, 624, 639, 696, 710, 720, 754, 780, 852, 870, 923, 936, 1040, 1044, 1065, 1131, 1136, 1160, 1170, 1278, 1305, 1392, 1420, 1508, 1560, 1704, 1740, 1846, 1872, 1885, 2059, 2088, 2130, 2262, 2320, 2340, 2556, 2610, 2769, 2840, 3016, 3120, 3195, 3393, 3408, 3480, 3692, 3770, 4118, 4176, 4260, 4524, 4615, 4680, 5112, 5220, 5538, 5655, 5680, 6032, 6177, 6390, 6786, 6960, 7384, 7540, 8236, 8307, 8520, 9048, 9230, 9360, 10224, 10295, 10440, 11076, 11310, 12354, 12780, 13572, 13845, 14768, 15080, 16472, 16614, 16965, 17040, 18096, 18460, 18531, 20590, 20880, 22152, 22620, 24708, 25560, 26767, 27144, 27690, 30160, 30885, 32944, 33228, 33930, 36920, 37062, 41180, 41535, 44304, 45240, 49416, 51120, 53534, 54288, 55380, 61770, 66456, 67860, 73840, 74124, 80301, 82360, 83070, 90480, 92655, 98832, 107068, 110760, 123540, 132912, 133835, 135720, 148248, 160602, 164720, 166140, 185310, 214136, 221520, 240903, 247080, 267670, 271440, 296496, 321204, 332280, 370620, 401505, 428272, 481806, 494160, 535340, 642408, 664560, 741240, 803010, 963612, 1070680, 1204515, 1284816, 1482480, 1606020, 1927224, 2141360, 2409030, 3212040, 3854448, 4818060, 6424080, 9636120, 19272240]

約数ペア:

[(1, 19272240), (2, 9636120), (3, 6424080), (4, 4818060), (5, 3854448), (6, 3212040), (8, 2409030), (9, 2141360), (10, 1927224), (12, 1606020), (13, 1482480), (15, 1284816), (16, 1204515), (18, 1070680), (20, 963612), (24, 803010), (26, 741240), (29, 664560), (30, 642408), (36, 535340), (39, 494160), (40, 481806), (45, 428272), (48, 401505), (52, 370620), (58, 332280), (60, 321204), (65, 296496), (71, 271440), (72, 267670), (78, 247080), (80, 240903), (87, 221520), (90, 214136), (104, 185310), (116, 166140), (117, 164720), (120, 160602), (130, 148248), (142, 135720), (144, 133835), (145, 132912), (156, 123540), (174, 110760), (180, 107068), (195, 98832), (208, 92655), (213, 90480), (232, 83070), (234, 82360), (240, 80301), (260, 74124), (261, 73840), (284, 67860), (290, 66456), (312, 61770), (348, 55380), (355, 54288), (360, 53534), (377, 51120), (390, 49416), (426, 45240), (435, 44304), (464, 41535), (468, 41180), (520, 37062), (522, 36920), (568, 33930), (580, 33228), (585, 32944), (624, 30885), (639, 30160), (696, 27690), (710, 27144), (720, 26767), (754, 25560), (780, 24708), (852, 22620), (870, 22152), (923, 20880), (936, 20590), (1040, 18531), (1044, 18460), (1065, 18096), (1131, 17040), (1136, 16965), (1160, 16614), (1170, 16472), (1278, 15080), (1305, 14768), (1392, 13845), (1420, 13572), (1508, 12780), (1560, 12354), (1704, 11310), (1740, 11076), (1846, 10440), (1872, 10295), (1885, 10224), (2059, 9360), (2088, 9230), (2130, 9048), (2262, 8520), (2320, 8307), (2340, 8236), (2556, 7540), (2610, 7384), (2769, 6960), (2840, 6786), (3016, 6390), (3120, 6177), (3195, 6032), (3393, 5680), (3408, 5655), (3480, 5538), (3692, 5220), (3770, 5112), (4118, 4680), (4176, 4615), (4260, 4524)]