280658280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:896

約数の個数: 192

約数和(自身を含む): 997272000

約数和(自身を除く): 716613720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 59, 60, 70, 84, 98, 105, 118, 120, 140, 147, 168, 177, 196, 210, 236, 245, 280, 294, 295, 354, 392, 413, 420, 472, 490, 588, 590, 708, 735, 809, 826, 840, 885, 980, 1176, 1180, 1239, 1416, 1470, 1618, 1652, 1770, 1960, 2065, 2360, 2427, 2478, 2891, 2940, 3236, 3304, 3540, 4045, 4130, 4854, 4956, 5663, 5782, 5880, 6195, 6472, 7080, 8090, 8260, 8673, 9708, 9912, 11326, 11564, 12135, 12390, 14455, 16180, 16520, 16989, 17346, 19416, 22652, 23128, 24270, 24780, 28315, 28910, 32360, 33978, 34692, 39641, 43365, 45304, 47731, 48540, 49560, 56630, 57820, 67956, 69384, 79282, 84945, 86730, 95462, 97080, 113260, 115640, 118923, 135912, 143193, 158564, 169890, 173460, 190924, 198205, 226520, 237846, 238655, 286386, 317128, 334117, 339780, 346920, 381848, 396410, 475692, 477310, 572772, 594615, 668234, 679560, 715965, 792820, 951384, 954620, 1002351, 1145544, 1189230, 1336468, 1431930, 1585640, 1670585, 1909240, 2004702, 2338819, 2378460, 2672936, 2863860, 3341170, 4009404, 4677638, 4756920, 5011755, 5727720, 6682340, 7016457, 8018808, 9355276, 10023510, 11694095, 13364680, 14032914, 18710552, 20047020, 23388190, 28065828, 35082285, 40094040, 46776380, 56131656, 70164570, 93552760, 140329140, 280658280]

約数ペア:

[(1, 280658280), (2, 140329140), (3, 93552760), (4, 70164570), (5, 56131656), (6, 46776380), (7, 40094040), (8, 35082285), (10, 28065828), (12, 23388190), (14, 20047020), (15, 18710552), (20, 14032914), (21, 13364680), (24, 11694095), (28, 10023510), (30, 9355276), (35, 8018808), (40, 7016457), (42, 6682340), (49, 5727720), (56, 5011755), (59, 4756920), (60, 4677638), (70, 4009404), (84, 3341170), (98, 2863860), (105, 2672936), (118, 2378460), (120, 2338819), (140, 2004702), (147, 1909240), (168, 1670585), (177, 1585640), (196, 1431930), (210, 1336468), (236, 1189230), (245, 1145544), (280, 1002351), (294, 954620), (295, 951384), (354, 792820), (392, 715965), (413, 679560), (420, 668234), (472, 594615), (490, 572772), (588, 477310), (590, 475692), (708, 396410), (735, 381848), (809, 346920), (826, 339780), (840, 334117), (885, 317128), (980, 286386), (1176, 238655), (1180, 237846), (1239, 226520), (1416, 198205), (1470, 190924), (1618, 173460), (1652, 169890), (1770, 158564), (1960, 143193), (2065, 135912), (2360, 118923), (2427, 115640), (2478, 113260), (2891, 97080), (2940, 95462), (3236, 86730), (3304, 84945), (3540, 79282), (4045, 69384), (4130, 67956), (4854, 57820), (4956, 56630), (5663, 49560), (5782, 48540), (5880, 47731), (6195, 45304), (6472, 43365), (7080, 39641), (8090, 34692), (8260, 33978), (8673, 32360), (9708, 28910), (9912, 28315), (11326, 24780), (11564, 24270), (12135, 23128), (12390, 22652), (14455, 19416), (16180, 17346), (16520, 16989)]