312228280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2767}}^1$

素因数の和:2829

約数の個数: 128

約数和(自身を含む): 892846080

約数和(自身を除く): 580617800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2767, 2821, 3224, 3640, 4030, 4340, 5534, 5642, 8060, 8680, 11068, 11284, 13835, 14105, 16120, 19369, 22136, 22568, 27670, 28210, 35971, 38738, 55340, 56420, 71942, 77476, 85777, 96845, 110680, 112840, 143884, 154952, 171554, 179855, 193690, 251797, 287768, 343108, 359710, 387380, 428885, 503594, 600439, 686216, 719420, 774760, 857770, 1007188, 1115101, 1200878, 1258985, 1438840, 1715540, 2014376, 2230202, 2401756, 2517970, 3002195, 3431080, 4460404, 4803512, 5035940, 5575505, 6004390, 7805707, 8920808, 10071880, 11151010, 12008780, 15611414, 22302020, 24017560, 31222828, 39028535, 44604040, 62445656, 78057070, 156114140, 312228280]

約数ペア:

[(1, 312228280), (2, 156114140), (4, 78057070), (5, 62445656), (7, 44604040), (8, 39028535), (10, 31222828), (13, 24017560), (14, 22302020), (20, 15611414), (26, 12008780), (28, 11151010), (31, 10071880), (35, 8920808), (40, 7805707), (52, 6004390), (56, 5575505), (62, 5035940), (65, 4803512), (70, 4460404), (91, 3431080), (104, 3002195), (124, 2517970), (130, 2401756), (140, 2230202), (155, 2014376), (182, 1715540), (217, 1438840), (248, 1258985), (260, 1200878), (280, 1115101), (310, 1007188), (364, 857770), (403, 774760), (434, 719420), (455, 686216), (520, 600439), (620, 503594), (728, 428885), (806, 387380), (868, 359710), (910, 343108), (1085, 287768), (1240, 251797), (1612, 193690), (1736, 179855), (1820, 171554), (2015, 154952), (2170, 143884), (2767, 112840), (2821, 110680), (3224, 96845), (3640, 85777), (4030, 77476), (4340, 71942), (5534, 56420), (5642, 55340), (8060, 38738), (8680, 35971), (11068, 28210), (11284, 27670), (13835, 22568), (14105, 22136), (16120, 19369)]