1820122080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6857}}^1$

素因数の和:6961

約数の個数: 192

約数和(自身を含む): 6636349440

約数和(自身を除く): 4816227360

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, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 210, 224, 237, 240, 280, 316, 336, 395, 420, 474, 480, 553, 560, 632, 672, 790, 840, 948, 1106, 1120, 1185, 1264, 1580, 1659, 1680, 1896, 2212, 2370, 2528, 2765, 3160, 3318, 3360, 3792, 4424, 4740, 5530, 6320, 6636, 6857, 7584, 8295, 8848, 9480, 11060, 12640, 13272, 13714, 16590, 17696, 18960, 20571, 22120, 26544, 27428, 33180, 34285, 37920, 41142, 44240, 47999, 53088, 54856, 66360, 68570, 82284, 88480, 95998, 102855, 109712, 132720, 137140, 143997, 164568, 191996, 205710, 219424, 239995, 265440, 274280, 287994, 329136, 383992, 411420, 479990, 541703, 548560, 575988, 658272, 719985, 767984, 822840, 959980, 1083406, 1097120, 1151976, 1439970, 1535968, 1625109, 1645680, 1919960, 2166812, 2303952, 2708515, 2879940, 3250218, 3291360, 3791921, 3839920, 4333624, 4607904, 5417030, 5759880, 6500436, 7583842, 7679840, 8125545, 8667248, 10834060, 11375763, 11519760, 13000872, 15167684, 16251090, 17334496, 18959605, 21668120, 22751526, 23039520, 26001744, 30335368, 32502180, 37919210, 43336240, 45503052, 52003488, 56878815, 60670736, 65004360, 75838420, 86672480, 91006104, 113757630, 121341472, 130008720, 151676840, 182012208, 227515260, 260017440, 303353680, 364024416, 455030520, 606707360, 910061040, 1820122080]

約数ペア:

[(1, 1820122080), (2, 910061040), (3, 606707360), (4, 455030520), (5, 364024416), (6, 303353680), (7, 260017440), (8, 227515260), (10, 182012208), (12, 151676840), (14, 130008720), (15, 121341472), (16, 113757630), (20, 91006104), (21, 86672480), (24, 75838420), (28, 65004360), (30, 60670736), (32, 56878815), (35, 52003488), (40, 45503052), (42, 43336240), (48, 37919210), (56, 32502180), (60, 30335368), (70, 26001744), (79, 23039520), (80, 22751526), (84, 21668120), (96, 18959605), (105, 17334496), (112, 16251090), (120, 15167684), (140, 13000872), (158, 11519760), (160, 11375763), (168, 10834060), (210, 8667248), (224, 8125545), (237, 7679840), (240, 7583842), (280, 6500436), (316, 5759880), (336, 5417030), (395, 4607904), (420, 4333624), (474, 3839920), (480, 3791921), (553, 3291360), (560, 3250218), (632, 2879940), (672, 2708515), (790, 2303952), (840, 2166812), (948, 1919960), (1106, 1645680), (1120, 1625109), (1185, 1535968), (1264, 1439970), (1580, 1151976), (1659, 1097120), (1680, 1083406), (1896, 959980), (2212, 822840), (2370, 767984), (2528, 719985), (2765, 658272), (3160, 575988), (3318, 548560), (3360, 541703), (3792, 479990), (4424, 411420), (4740, 383992), (5530, 329136), (6320, 287994), (6636, 274280), (6857, 265440), (7584, 239995), (8295, 219424), (8848, 205710), (9480, 191996), (11060, 164568), (12640, 143997), (13272, 137140), (13714, 132720), (16590, 109712), (17696, 102855), (18960, 95998), (20571, 88480), (22120, 82284), (26544, 68570), (27428, 66360), (33180, 54856), (34285, 53088), (37920, 47999), (41142, 44240)]