15728440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 45360000

約数和(自身を除く): 29631560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 149, 182, 203, 232, 260, 280, 290, 298, 364, 377, 406, 455, 520, 580, 596, 728, 745, 754, 812, 910, 1015, 1043, 1160, 1192, 1490, 1508, 1624, 1820, 1885, 1937, 2030, 2086, 2639, 2980, 3016, 3640, 3770, 3874, 4060, 4172, 4321, 5215, 5278, 5960, 7540, 7748, 8120, 8344, 8642, 9685, 10430, 10556, 13195, 13559, 15080, 15496, 17284, 19370, 20860, 21112, 21605, 26390, 27118, 30247, 34568, 38740, 41720, 43210, 52780, 54236, 56173, 60494, 67795, 77480, 86420, 105560, 108472, 112346, 120988, 135590, 151235, 172840, 224692, 241976, 271180, 280865, 302470, 393211, 449384, 542360, 561730, 604940, 786422, 1123460, 1209880, 1572844, 1966055, 2246920, 3145688, 3932110, 7864220, 15728440]

約数ペア:

[(1, 15728440), (2, 7864220), (4, 3932110), (5, 3145688), (7, 2246920), (8, 1966055), (10, 1572844), (13, 1209880), (14, 1123460), (20, 786422), (26, 604940), (28, 561730), (29, 542360), (35, 449384), (40, 393211), (52, 302470), (56, 280865), (58, 271180), (65, 241976), (70, 224692), (91, 172840), (104, 151235), (116, 135590), (130, 120988), (140, 112346), (145, 108472), (149, 105560), (182, 86420), (203, 77480), (232, 67795), (260, 60494), (280, 56173), (290, 54236), (298, 52780), (364, 43210), (377, 41720), (406, 38740), (455, 34568), (520, 30247), (580, 27118), (596, 26390), (728, 21605), (745, 21112), (754, 20860), (812, 19370), (910, 17284), (1015, 15496), (1043, 15080), (1160, 13559), (1192, 13195), (1490, 10556), (1508, 10430), (1624, 9685), (1820, 8642), (1885, 8344), (1937, 8120), (2030, 7748), (2086, 7540), (2639, 5960), (2980, 5278), (3016, 5215), (3640, 4321), (3770, 4172), (3874, 4060)]