30945720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 101606400

約数和(自身を除く): 70660680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 239, 249, 260, 312, 332, 390, 415, 478, 498, 520, 664, 717, 780, 830, 956, 996, 1079, 1195, 1245, 1434, 1560, 1660, 1912, 1992, 2158, 2390, 2490, 2868, 3107, 3237, 3320, 3585, 4316, 4780, 4980, 5395, 5736, 6214, 6474, 7170, 8632, 9321, 9560, 9960, 10790, 12428, 12948, 14340, 15535, 16185, 18642, 19837, 21580, 24856, 25896, 28680, 31070, 32370, 37284, 39674, 43160, 46605, 59511, 62140, 64740, 74568, 79348, 93210, 99185, 119022, 124280, 129480, 158696, 186420, 198370, 238044, 257881, 297555, 372840, 396740, 476088, 515762, 595110, 773643, 793480, 1031524, 1190220, 1289405, 1547286, 2063048, 2380440, 2578810, 3094572, 3868215, 5157620, 6189144, 7736430, 10315240, 15472860, 30945720]

約数ペア:

[(1, 30945720), (2, 15472860), (3, 10315240), (4, 7736430), (5, 6189144), (6, 5157620), (8, 3868215), (10, 3094572), (12, 2578810), (13, 2380440), (15, 2063048), (20, 1547286), (24, 1289405), (26, 1190220), (30, 1031524), (39, 793480), (40, 773643), (52, 595110), (60, 515762), (65, 476088), (78, 396740), (83, 372840), (104, 297555), (120, 257881), (130, 238044), (156, 198370), (166, 186420), (195, 158696), (239, 129480), (249, 124280), (260, 119022), (312, 99185), (332, 93210), (390, 79348), (415, 74568), (478, 64740), (498, 62140), (520, 59511), (664, 46605), (717, 43160), (780, 39674), (830, 37284), (956, 32370), (996, 31070), (1079, 28680), (1195, 25896), (1245, 24856), (1434, 21580), (1560, 19837), (1660, 18642), (1912, 16185), (1992, 15535), (2158, 14340), (2390, 12948), (2490, 12428), (2868, 10790), (3107, 9960), (3237, 9560), (3320, 9321), (3585, 8632), (4316, 7170), (4780, 6474), (4980, 6214), (5395, 5736)]