21391466880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{2351}}^1$

素因数の和:3057

約数の個数: 256

約数和(自身を含む): 78074357760

約数和(自身を除く): 56682890880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 677, 840, 896, 960, 1120, 1344, 1354, 1680, 1920, 2031, 2240, 2351, 2688, 2708, 3360, 3385, 4062, 4480, 4702, 4739, 5416, 6720, 6770, 7053, 8124, 9404, 9478, 10155, 10832, 11755, 13440, 13540, 14106, 14217, 16248, 16457, 18808, 18956, 20310, 21664, 23510, 23695, 27080, 28212, 28434, 32496, 32914, 35265, 37616, 37912, 40620, 43328, 47020, 47390, 49371, 54160, 56424, 56868, 64992, 65828, 70530, 71085, 75232, 75824, 81240, 82285, 86656, 94040, 94780, 98742, 108320, 112848, 113736, 129984, 131656, 141060, 142170, 150464, 151648, 162480, 164570, 188080, 189560, 197484, 216640, 225696, 227472, 246855, 259968, 263312, 282120, 284340, 300928, 303296, 324960, 329140, 376160, 379120, 394968, 433280, 451392, 454944, 493710, 526624, 564240, 568680, 606592, 649920, 658280, 752320, 758240, 789936, 902784, 909888, 987420, 1053248, 1128480, 1137360, 1299840, 1316560, 1504640, 1516480, 1579872, 1591627, 1819776, 1974840, 2106496, 2256960, 2274720, 2633120, 3032960, 3159744, 3183254, 3949680, 4513920, 4549440, 4774881, 5266240, 6319488, 6366508, 7899360, 7958135, 9098880, 9549762, 10532480, 11141389, 12733016, 15798720, 15916270, 19099524, 22282778, 23874405, 25466032, 31597440, 31832540, 33424167, 38199048, 44565556, 47748810, 50932064, 55706945, 63665080, 66848334, 76398096, 89131112, 95497620, 101864128, 111413890, 127330160, 133696668, 152796192, 167120835, 178262224, 190995240, 203728256, 222827780, 254660320, 267393336, 305592384, 334241670, 356524448, 381990480, 445655560, 509320640, 534786672, 611184768, 668483340, 713048896, 763980960, 891311120, 1018641280, 1069573344, 1336966680, 1426097792, 1527961920, 1782622240, 2139146688, 2673933360, 3055923840, 3565244480, 4278293376, 5347866720, 7130488960, 10695733440, 21391466880]

約数ペア:

[(1, 21391466880), (2, 10695733440), (3, 7130488960), (4, 5347866720), (5, 4278293376), (6, 3565244480), (7, 3055923840), (8, 2673933360), (10, 2139146688), (12, 1782622240), (14, 1527961920), (15, 1426097792), (16, 1336966680), (20, 1069573344), (21, 1018641280), (24, 891311120), (28, 763980960), (30, 713048896), (32, 668483340), (35, 611184768), (40, 534786672), (42, 509320640), (48, 445655560), (56, 381990480), (60, 356524448), (64, 334241670), (70, 305592384), (80, 267393336), (84, 254660320), (96, 222827780), (105, 203728256), (112, 190995240), (120, 178262224), (128, 167120835), (140, 152796192), (160, 133696668), (168, 127330160), (192, 111413890), (210, 101864128), (224, 95497620), (240, 89131112), (280, 76398096), (320, 66848334), (336, 63665080), (384, 55706945), (420, 50932064), (448, 47748810), (480, 44565556), (560, 38199048), (640, 33424167), (672, 31832540), (677, 31597440), (840, 25466032), (896, 23874405), (960, 22282778), (1120, 19099524), (1344, 15916270), (1354, 15798720), (1680, 12733016), (1920, 11141389), (2031, 10532480), (2240, 9549762), (2351, 9098880), (2688, 7958135), (2708, 7899360), (3360, 6366508), (3385, 6319488), (4062, 5266240), (4480, 4774881), (4702, 4549440), (4739, 4513920), (5416, 3949680), (6720, 3183254), (6770, 3159744), (7053, 3032960), (8124, 2633120), (9404, 2274720), (9478, 2256960), (10155, 2106496), (10832, 1974840), (11755, 1819776), (13440, 1591627), (13540, 1579872), (14106, 1516480), (14217, 1504640), (16248, 1316560), (16457, 1299840), (18808, 1137360), (18956, 1128480), (20310, 1053248), (21664, 987420), (23510, 909888), (23695, 902784), (27080, 789936), (28212, 758240), (28434, 752320), (32496, 658280), (32914, 649920), (35265, 606592), (37616, 568680), (37912, 564240), (40620, 526624), (43328, 493710), (47020, 454944), (47390, 451392), (49371, 433280), (54160, 394968), (56424, 379120), (56868, 376160), (64992, 329140), (65828, 324960), (70530, 303296), (71085, 300928), (75232, 284340), (75824, 282120), (81240, 263312), (82285, 259968), (86656, 246855), (94040, 227472), (94780, 225696), (98742, 216640), (108320, 197484), (112848, 189560), (113736, 188080), (129984, 164570), (131656, 162480), (141060, 151648), (142170, 150464)]