831466480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:819

約数の個数: 120

約数和(自身を含む): 2119886640

約数和(自身を除く): 1288420160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 169, 178, 208, 260, 338, 356, 445, 520, 676, 691, 712, 845, 890, 1040, 1157, 1352, 1382, 1424, 1690, 1780, 2314, 2704, 2764, 3380, 3455, 3560, 4628, 5528, 5785, 6760, 6910, 7120, 8983, 9256, 11056, 11570, 13520, 13820, 15041, 17966, 18512, 23140, 27640, 30082, 35932, 44915, 46280, 55280, 60164, 61499, 71864, 75205, 89830, 92560, 116779, 120328, 122998, 143728, 150410, 179660, 233558, 240656, 245996, 300820, 307495, 359320, 467116, 491992, 583895, 601640, 614990, 718640, 799487, 934232, 983984, 1167790, 1203280, 1229980, 1598974, 1868464, 2335580, 2459960, 3197948, 3997435, 4671160, 4919920, 6395896, 7994870, 9342320, 10393331, 12791792, 15989740, 20786662, 31979480, 41573324, 51966655, 63958960, 83146648, 103933310, 166293296, 207866620, 415733240, 831466480]

約数ペア:

[(1, 831466480), (2, 415733240), (4, 207866620), (5, 166293296), (8, 103933310), (10, 83146648), (13, 63958960), (16, 51966655), (20, 41573324), (26, 31979480), (40, 20786662), (52, 15989740), (65, 12791792), (80, 10393331), (89, 9342320), (104, 7994870), (130, 6395896), (169, 4919920), (178, 4671160), (208, 3997435), (260, 3197948), (338, 2459960), (356, 2335580), (445, 1868464), (520, 1598974), (676, 1229980), (691, 1203280), (712, 1167790), (845, 983984), (890, 934232), (1040, 799487), (1157, 718640), (1352, 614990), (1382, 601640), (1424, 583895), (1690, 491992), (1780, 467116), (2314, 359320), (2704, 307495), (2764, 300820), (3380, 245996), (3455, 240656), (3560, 233558), (4628, 179660), (5528, 150410), (5785, 143728), (6760, 122998), (6910, 120328), (7120, 116779), (8983, 92560), (9256, 89830), (11056, 75205), (11570, 71864), (13520, 61499), (13820, 60164), (15041, 55280), (17966, 46280), (18512, 44915), (23140, 35932), (27640, 30082)]