177520720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1303}}^1$

素因数の和:1460

約数の個数: 80

約数和(自身を含む): 448221312

約数和(自身を除く): 270700592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 655, 1040, 1048, 1303, 1310, 1703, 2096, 2606, 2620, 3406, 5212, 5240, 6515, 6812, 8515, 10424, 10480, 13030, 13624, 16939, 17030, 20848, 26060, 27248, 33878, 34060, 52120, 67756, 68120, 84695, 104240, 135512, 136240, 169390, 170693, 271024, 338780, 341386, 677560, 682772, 853465, 1355120, 1365544, 1706930, 2219009, 2731088, 3413860, 4438018, 6827720, 8876036, 11095045, 13655440, 17752072, 22190090, 35504144, 44380180, 88760360, 177520720]

約数ペア:

[(1, 177520720), (2, 88760360), (4, 44380180), (5, 35504144), (8, 22190090), (10, 17752072), (13, 13655440), (16, 11095045), (20, 8876036), (26, 6827720), (40, 4438018), (52, 3413860), (65, 2731088), (80, 2219009), (104, 1706930), (130, 1365544), (131, 1355120), (208, 853465), (260, 682772), (262, 677560), (520, 341386), (524, 338780), (655, 271024), (1040, 170693), (1048, 169390), (1303, 136240), (1310, 135512), (1703, 104240), (2096, 84695), (2606, 68120), (2620, 67756), (3406, 52120), (5212, 34060), (5240, 33878), (6515, 27248), (6812, 26060), (8515, 20848), (10424, 17030), (10480, 16939), (13030, 13624)]