79781520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 240

約数和(自身を含む): 307158912

約数和(自身を除く): 227377392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 169, 182, 195, 208, 210, 240, 260, 273, 280, 281, 312, 336, 338, 364, 390, 420, 455, 507, 520, 546, 560, 562, 624, 676, 728, 780, 840, 843, 845, 910, 1014, 1040, 1092, 1124, 1183, 1352, 1365, 1405, 1456, 1560, 1680, 1686, 1690, 1820, 1967, 2028, 2184, 2248, 2366, 2535, 2704, 2730, 2810, 3120, 3372, 3380, 3549, 3640, 3653, 3934, 4056, 4215, 4368, 4496, 4732, 5070, 5460, 5620, 5901, 5915, 6744, 6760, 7098, 7280, 7306, 7868, 8112, 8430, 9464, 9835, 10140, 10920, 10959, 11240, 11802, 11830, 13488, 13520, 14196, 14612, 15736, 16860, 17745, 18265, 18928, 19670, 20280, 21840, 21918, 22480, 23604, 23660, 25571, 28392, 29224, 29505, 31472, 33720, 35490, 36530, 39340, 40560, 43836, 47208, 47320, 47489, 51142, 54795, 56784, 58448, 59010, 67440, 70980, 73060, 76713, 78680, 87672, 94416, 94640, 94978, 102284, 109590, 118020, 127855, 141960, 142467, 146120, 153426, 157360, 175344, 189956, 204568, 219180, 236040, 237445, 255710, 283920, 284934, 292240, 306852, 332423, 379912, 383565, 409136, 438360, 472080, 474890, 511420, 569868, 613704, 664846, 712335, 759824, 767130, 876720, 949780, 997269, 1022840, 1139736, 1227408, 1329692, 1424670, 1534260, 1662115, 1899560, 1994538, 2045680, 2279472, 2659384, 2849340, 3068520, 3324230, 3799120, 3989076, 4986345, 5318768, 5698680, 6137040, 6648460, 7978152, 9972690, 11397360, 13296920, 15956304, 19945380, 26593840, 39890760, 79781520]

約数ペア:

[(1, 79781520), (2, 39890760), (3, 26593840), (4, 19945380), (5, 15956304), (6, 13296920), (7, 11397360), (8, 9972690), (10, 7978152), (12, 6648460), (13, 6137040), (14, 5698680), (15, 5318768), (16, 4986345), (20, 3989076), (21, 3799120), (24, 3324230), (26, 3068520), (28, 2849340), (30, 2659384), (35, 2279472), (39, 2045680), (40, 1994538), (42, 1899560), (48, 1662115), (52, 1534260), (56, 1424670), (60, 1329692), (65, 1227408), (70, 1139736), (78, 1022840), (80, 997269), (84, 949780), (91, 876720), (104, 767130), (105, 759824), (112, 712335), (120, 664846), (130, 613704), (140, 569868), (156, 511420), (168, 474890), (169, 472080), (182, 438360), (195, 409136), (208, 383565), (210, 379912), (240, 332423), (260, 306852), (273, 292240), (280, 284934), (281, 283920), (312, 255710), (336, 237445), (338, 236040), (364, 219180), (390, 204568), (420, 189956), (455, 175344), (507, 157360), (520, 153426), (546, 146120), (560, 142467), (562, 141960), (624, 127855), (676, 118020), (728, 109590), (780, 102284), (840, 94978), (843, 94640), (845, 94416), (910, 87672), (1014, 78680), (1040, 76713), (1092, 73060), (1124, 70980), (1183, 67440), (1352, 59010), (1365, 58448), (1405, 56784), (1456, 54795), (1560, 51142), (1680, 47489), (1686, 47320), (1690, 47208), (1820, 43836), (1967, 40560), (2028, 39340), (2184, 36530), (2248, 35490), (2366, 33720), (2535, 31472), (2704, 29505), (2730, 29224), (2810, 28392), (3120, 25571), (3372, 23660), (3380, 23604), (3549, 22480), (3640, 21918), (3653, 21840), (3934, 20280), (4056, 19670), (4215, 18928), (4368, 18265), (4496, 17745), (4732, 16860), (5070, 15736), (5460, 14612), (5620, 14196), (5901, 13520), (5915, 13488), (6744, 11830), (6760, 11802), (7098, 11240), (7280, 10959), (7306, 10920), (7868, 10140), (8112, 9835), (8430, 9464)]