280799880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2333}}^1$

素因数の和:2423

約数の個数: 128

約数和(自身を含む): 907459200

約数和(自身を除く): 626659320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 118, 120, 136, 170, 177, 204, 236, 255, 295, 340, 354, 408, 472, 510, 590, 680, 708, 885, 1003, 1020, 1180, 1416, 1770, 2006, 2040, 2333, 2360, 3009, 3540, 4012, 4666, 5015, 6018, 6999, 7080, 8024, 9332, 10030, 11665, 12036, 13998, 15045, 18664, 20060, 23330, 24072, 27996, 30090, 34995, 39661, 40120, 46660, 55992, 60180, 69990, 79322, 93320, 118983, 120360, 137647, 139980, 158644, 198305, 237966, 275294, 279960, 317288, 396610, 412941, 475932, 550588, 594915, 688235, 793220, 825882, 951864, 1101176, 1189830, 1376470, 1586440, 1651764, 2064705, 2339999, 2379660, 2752940, 3303528, 4129410, 4679998, 4759320, 5505880, 7019997, 8258820, 9359996, 11699995, 14039994, 16517640, 18719992, 23399990, 28079988, 35099985, 46799980, 56159976, 70199970, 93599960, 140399940, 280799880]

約数ペア:

[(1, 280799880), (2, 140399940), (3, 93599960), (4, 70199970), (5, 56159976), (6, 46799980), (8, 35099985), (10, 28079988), (12, 23399990), (15, 18719992), (17, 16517640), (20, 14039994), (24, 11699995), (30, 9359996), (34, 8258820), (40, 7019997), (51, 5505880), (59, 4759320), (60, 4679998), (68, 4129410), (85, 3303528), (102, 2752940), (118, 2379660), (120, 2339999), (136, 2064705), (170, 1651764), (177, 1586440), (204, 1376470), (236, 1189830), (255, 1101176), (295, 951864), (340, 825882), (354, 793220), (408, 688235), (472, 594915), (510, 550588), (590, 475932), (680, 412941), (708, 396610), (885, 317288), (1003, 279960), (1020, 275294), (1180, 237966), (1416, 198305), (1770, 158644), (2006, 139980), (2040, 137647), (2333, 120360), (2360, 118983), (3009, 93320), (3540, 79322), (4012, 69990), (4666, 60180), (5015, 55992), (6018, 46660), (6999, 40120), (7080, 39661), (8024, 34995), (9332, 30090), (10030, 27996), (11665, 24072), (12036, 23330), (13998, 20060), (15045, 18664)]