2187958920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1276

約数の個数: 256

約数和(自身を含む): 7856455680

約数和(自身を除く): 5668496760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 73, 84, 93, 105, 120, 124, 140, 146, 155, 168, 186, 210, 217, 219, 248, 280, 292, 310, 365, 372, 420, 434, 438, 465, 511, 584, 620, 651, 730, 744, 840, 868, 876, 930, 1022, 1085, 1095, 1151, 1240, 1302, 1460, 1533, 1736, 1752, 1860, 2044, 2170, 2190, 2263, 2302, 2555, 2604, 2920, 3066, 3255, 3453, 3720, 4088, 4340, 4380, 4526, 4604, 5110, 5208, 5755, 6132, 6510, 6789, 6906, 7665, 8057, 8680, 8760, 9052, 9208, 10220, 11315, 11510, 12264, 13020, 13578, 13812, 15330, 15841, 16114, 17265, 18104, 20440, 22630, 23020, 24171, 26040, 27156, 27624, 30660, 31682, 32228, 33945, 34530, 35681, 40285, 45260, 46040, 47523, 48342, 54312, 61320, 63364, 64456, 67890, 69060, 71362, 79205, 80570, 84023, 90520, 95046, 96684, 107043, 120855, 126728, 135780, 138120, 142724, 158410, 161140, 168046, 178405, 190092, 193368, 214086, 237615, 241710, 249767, 252069, 271560, 285448, 316820, 322280, 336092, 356810, 380184, 420115, 428172, 475230, 483420, 499534, 504138, 535215, 588161, 633640, 672184, 713620, 749301, 840230, 856344, 950460, 966840, 999068, 1008276, 1070430, 1176322, 1248835, 1260345, 1427240, 1498602, 1680460, 1764483, 1900920, 1998136, 2016552, 2140860, 2352644, 2497670, 2520690, 2604713, 2940805, 2997204, 3360920, 3528966, 3746505, 4281720, 4705288, 4995340, 5041380, 5209426, 5881610, 5994408, 7057932, 7493010, 7814139, 8822415, 9990680, 10082760, 10418852, 11763220, 13023565, 14115864, 14986020, 15628278, 17644830, 18232991, 20837704, 23526440, 26047130, 29972040, 31256556, 35289660, 36465982, 39070695, 52094260, 54698973, 62513112, 70579320, 72931964, 78141390, 91164955, 104188520, 109397946, 145863928, 156282780, 182329910, 218795892, 273494865, 312565560, 364659820, 437591784, 546989730, 729319640, 1093979460, 2187958920]

約数ペア:

[(1, 2187958920), (2, 1093979460), (3, 729319640), (4, 546989730), (5, 437591784), (6, 364659820), (7, 312565560), (8, 273494865), (10, 218795892), (12, 182329910), (14, 156282780), (15, 145863928), (20, 109397946), (21, 104188520), (24, 91164955), (28, 78141390), (30, 72931964), (31, 70579320), (35, 62513112), (40, 54698973), (42, 52094260), (56, 39070695), (60, 36465982), (62, 35289660), (70, 31256556), (73, 29972040), (84, 26047130), (93, 23526440), (105, 20837704), (120, 18232991), (124, 17644830), (140, 15628278), (146, 14986020), (155, 14115864), (168, 13023565), (186, 11763220), (210, 10418852), (217, 10082760), (219, 9990680), (248, 8822415), (280, 7814139), (292, 7493010), (310, 7057932), (365, 5994408), (372, 5881610), (420, 5209426), (434, 5041380), (438, 4995340), (465, 4705288), (511, 4281720), (584, 3746505), (620, 3528966), (651, 3360920), (730, 2997204), (744, 2940805), (840, 2604713), (868, 2520690), (876, 2497670), (930, 2352644), (1022, 2140860), (1085, 2016552), (1095, 1998136), (1151, 1900920), (1240, 1764483), (1302, 1680460), (1460, 1498602), (1533, 1427240), (1736, 1260345), (1752, 1248835), (1860, 1176322), (2044, 1070430), (2170, 1008276), (2190, 999068), (2263, 966840), (2302, 950460), (2555, 856344), (2604, 840230), (2920, 749301), (3066, 713620), (3255, 672184), (3453, 633640), (3720, 588161), (4088, 535215), (4340, 504138), (4380, 499534), (4526, 483420), (4604, 475230), (5110, 428172), (5208, 420115), (5755, 380184), (6132, 356810), (6510, 336092), (6789, 322280), (6906, 316820), (7665, 285448), (8057, 271560), (8680, 252069), (8760, 249767), (9052, 241710), (9208, 237615), (10220, 214086), (11315, 193368), (11510, 190092), (12264, 178405), (13020, 168046), (13578, 161140), (13812, 158410), (15330, 142724), (15841, 138120), (16114, 135780), (17265, 126728), (18104, 120855), (20440, 107043), (22630, 96684), (23020, 95046), (24171, 90520), (26040, 84023), (27156, 80570), (27624, 79205), (30660, 71362), (31682, 69060), (32228, 67890), (33945, 64456), (34530, 63364), (35681, 61320), (40285, 54312), (45260, 48342), (46040, 47523)]