256192680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1235

約数の個数: 128

約数和(自身を含む): 807091200

約数和(自身を除く): 550898520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 915, 930, 1129, 1220, 1240, 1464, 1830, 1860, 1891, 2258, 2440, 3387, 3660, 3720, 3782, 4516, 5645, 5673, 6774, 7320, 7564, 9032, 9455, 11290, 11346, 13548, 15128, 16935, 18910, 22580, 22692, 27096, 28365, 33870, 34999, 37820, 45160, 45384, 56730, 67740, 68869, 69998, 75640, 104997, 113460, 135480, 137738, 139996, 174995, 206607, 209994, 226920, 275476, 279992, 344345, 349990, 413214, 419988, 524985, 550952, 688690, 699980, 826428, 839976, 1033035, 1049970, 1377380, 1399960, 1652856, 2066070, 2099940, 2134939, 2754760, 4132140, 4199880, 4269878, 6404817, 8264280, 8539756, 10674695, 12809634, 17079512, 21349390, 25619268, 32024085, 42698780, 51238536, 64048170, 85397560, 128096340, 256192680]

約数ペア:

[(1, 256192680), (2, 128096340), (3, 85397560), (4, 64048170), (5, 51238536), (6, 42698780), (8, 32024085), (10, 25619268), (12, 21349390), (15, 17079512), (20, 12809634), (24, 10674695), (30, 8539756), (31, 8264280), (40, 6404817), (60, 4269878), (61, 4199880), (62, 4132140), (93, 2754760), (120, 2134939), (122, 2099940), (124, 2066070), (155, 1652856), (183, 1399960), (186, 1377380), (244, 1049970), (248, 1033035), (305, 839976), (310, 826428), (366, 699980), (372, 688690), (465, 550952), (488, 524985), (610, 419988), (620, 413214), (732, 349990), (744, 344345), (915, 279992), (930, 275476), (1129, 226920), (1220, 209994), (1240, 206607), (1464, 174995), (1830, 139996), (1860, 137738), (1891, 135480), (2258, 113460), (2440, 104997), (3387, 75640), (3660, 69998), (3720, 68869), (3782, 67740), (4516, 56730), (5645, 45384), (5673, 45160), (6774, 37820), (7320, 34999), (7564, 33870), (9032, 28365), (9455, 27096), (11290, 22692), (11346, 22580), (13548, 18910), (15128, 16935)]