30000880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 120

約数和(自身を含む): 86592672

約数和(自身を除く): 56591792

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 317, 338, 364, 455, 520, 560, 634, 676, 728, 845, 910, 1040, 1183, 1268, 1352, 1456, 1585, 1690, 1820, 2219, 2366, 2536, 2704, 3170, 3380, 3640, 4121, 4438, 4732, 5072, 5915, 6340, 6760, 7280, 8242, 8876, 9464, 11095, 11830, 12680, 13520, 16484, 17752, 18928, 20605, 22190, 23660, 25360, 28847, 32968, 35504, 41210, 44380, 47320, 53573, 57694, 65936, 82420, 88760, 94640, 107146, 115388, 144235, 164840, 177520, 214292, 230776, 267865, 288470, 329680, 375011, 428584, 461552, 535730, 576940, 750022, 857168, 1071460, 1153880, 1500044, 1875055, 2142920, 2307760, 3000088, 3750110, 4285840, 6000176, 7500220, 15000440, 30000880]

約数ペア:

[(1, 30000880), (2, 15000440), (4, 7500220), (5, 6000176), (7, 4285840), (8, 3750110), (10, 3000088), (13, 2307760), (14, 2142920), (16, 1875055), (20, 1500044), (26, 1153880), (28, 1071460), (35, 857168), (40, 750022), (52, 576940), (56, 535730), (65, 461552), (70, 428584), (80, 375011), (91, 329680), (104, 288470), (112, 267865), (130, 230776), (140, 214292), (169, 177520), (182, 164840), (208, 144235), (260, 115388), (280, 107146), (317, 94640), (338, 88760), (364, 82420), (455, 65936), (520, 57694), (560, 53573), (634, 47320), (676, 44380), (728, 41210), (845, 35504), (910, 32968), (1040, 28847), (1183, 25360), (1268, 23660), (1352, 22190), (1456, 20605), (1585, 18928), (1690, 17752), (1820, 16484), (2219, 13520), (2366, 12680), (2536, 11830), (2704, 11095), (3170, 9464), (3380, 8876), (3640, 8242), (4121, 7280), (4438, 6760), (4732, 6340), (5072, 5915)]