1278490230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1471}}^1$

素因数の和:1556

約数の個数: 160

約数和(自身を含む): 3654858240

約数和(自身を除く): 2376368010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 37, 45, 54, 58, 74, 81, 87, 90, 111, 135, 145, 162, 174, 185, 222, 261, 270, 290, 333, 370, 405, 435, 522, 555, 666, 783, 810, 870, 999, 1073, 1110, 1305, 1471, 1566, 1665, 1998, 2146, 2349, 2610, 2942, 2997, 3219, 3330, 3915, 4413, 4698, 4995, 5365, 5994, 6438, 7355, 7830, 8826, 9657, 9990, 10730, 11745, 13239, 14710, 14985, 16095, 19314, 22065, 23490, 26478, 28971, 29970, 32190, 39717, 42659, 44130, 48285, 54427, 57942, 66195, 79434, 85318, 86913, 96570, 108854, 119151, 127977, 132390, 144855, 163281, 173826, 198585, 213295, 238302, 255954, 272135, 289710, 326562, 383931, 397170, 426590, 434565, 489843, 544270, 595755, 639885, 767862, 816405, 869130, 979686, 1151793, 1191510, 1279770, 1469529, 1578383, 1632810, 1919655, 2303586, 2449215, 2939058, 3156766, 3455379, 3839310, 4408587, 4735149, 4898430, 5758965, 6910758, 7347645, 7891915, 8817174, 9470298, 11517930, 14205447, 14695290, 15783830, 17276895, 22042935, 23675745, 28410894, 34553790, 42616341, 44085870, 47351490, 71027235, 85232682, 127849023, 142054470, 213081705, 255698046, 426163410, 639245115, 1278490230]

約数ペア:

[(1, 1278490230), (2, 639245115), (3, 426163410), (5, 255698046), (6, 213081705), (9, 142054470), (10, 127849023), (15, 85232682), (18, 71027235), (27, 47351490), (29, 44085870), (30, 42616341), (37, 34553790), (45, 28410894), (54, 23675745), (58, 22042935), (74, 17276895), (81, 15783830), (87, 14695290), (90, 14205447), (111, 11517930), (135, 9470298), (145, 8817174), (162, 7891915), (174, 7347645), (185, 6910758), (222, 5758965), (261, 4898430), (270, 4735149), (290, 4408587), (333, 3839310), (370, 3455379), (405, 3156766), (435, 2939058), (522, 2449215), (555, 2303586), (666, 1919655), (783, 1632810), (810, 1578383), (870, 1469529), (999, 1279770), (1073, 1191510), (1110, 1151793), (1305, 979686), (1471, 869130), (1566, 816405), (1665, 767862), (1998, 639885), (2146, 595755), (2349, 544270), (2610, 489843), (2942, 434565), (2997, 426590), (3219, 397170), (3330, 383931), (3915, 326562), (4413, 289710), (4698, 272135), (4995, 255954), (5365, 238302), (5994, 213295), (6438, 198585), (7355, 173826), (7830, 163281), (8826, 144855), (9657, 132390), (9990, 127977), (10730, 119151), (11745, 108854), (13239, 96570), (14710, 86913), (14985, 85318), (16095, 79434), (19314, 66195), (22065, 57942), (23490, 54427), (26478, 48285), (28971, 44130), (29970, 42659), (32190, 39717)]