160778280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4481}}^1$

素因数の和:4531

約数の個数: 128

約数和(自身を含む): 542142720

約数和(自身を除く): 381364440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4481, 4485, 5980, 7176, 8962, 8970, 11960, 13443, 17924, 17940, 22405, 26886, 35848, 35880, 44810, 53772, 58253, 67215, 89620, 103063, 107544, 116506, 134430, 174759, 179240, 206126, 233012, 268860, 291265, 309189, 349518, 412252, 466024, 515315, 537720, 582530, 618378, 699036, 824504, 873795, 1030630, 1165060, 1236756, 1339819, 1398072, 1545945, 1747590, 2061260, 2330120, 2473512, 2679638, 3091890, 3495180, 4019457, 4122520, 5359276, 6183780, 6699095, 6990360, 8038914, 10718552, 12367560, 13398190, 16077828, 20097285, 26796380, 32155656, 40194570, 53592760, 80389140, 160778280]

約数ペア:

[(1, 160778280), (2, 80389140), (3, 53592760), (4, 40194570), (5, 32155656), (6, 26796380), (8, 20097285), (10, 16077828), (12, 13398190), (13, 12367560), (15, 10718552), (20, 8038914), (23, 6990360), (24, 6699095), (26, 6183780), (30, 5359276), (39, 4122520), (40, 4019457), (46, 3495180), (52, 3091890), (60, 2679638), (65, 2473512), (69, 2330120), (78, 2061260), (92, 1747590), (104, 1545945), (115, 1398072), (120, 1339819), (130, 1236756), (138, 1165060), (156, 1030630), (184, 873795), (195, 824504), (230, 699036), (260, 618378), (276, 582530), (299, 537720), (312, 515315), (345, 466024), (390, 412252), (460, 349518), (520, 309189), (552, 291265), (598, 268860), (690, 233012), (780, 206126), (897, 179240), (920, 174759), (1196, 134430), (1380, 116506), (1495, 107544), (1560, 103063), (1794, 89620), (2392, 67215), (2760, 58253), (2990, 53772), (3588, 44810), (4481, 35880), (4485, 35848), (5980, 26886), (7176, 22405), (8962, 17940), (8970, 17924), (11960, 13443)]