321556560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4481}}^1$

素因数の和:4533

約数の個数: 160

約数和(自身を含む): 1120428288

約数和(自身を除く): 798871728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2392, 2760, 2990, 3120, 3588, 4481, 4485, 4784, 5520, 5980, 7176, 8962, 8970, 11960, 13443, 14352, 17924, 17940, 22405, 23920, 26886, 35848, 35880, 44810, 53772, 58253, 67215, 71696, 71760, 89620, 103063, 107544, 116506, 134430, 174759, 179240, 206126, 215088, 233012, 268860, 291265, 309189, 349518, 358480, 412252, 466024, 515315, 537720, 582530, 618378, 699036, 824504, 873795, 932048, 1030630, 1075440, 1165060, 1236756, 1339819, 1398072, 1545945, 1649008, 1747590, 2061260, 2330120, 2473512, 2679638, 2796144, 3091890, 3495180, 4019457, 4122520, 4660240, 4947024, 5359276, 6183780, 6699095, 6990360, 8038914, 8245040, 10718552, 12367560, 13398190, 13980720, 16077828, 20097285, 21437104, 24735120, 26796380, 32155656, 40194570, 53592760, 64311312, 80389140, 107185520, 160778280, 321556560]

約数ペア:

[(1, 321556560), (2, 160778280), (3, 107185520), (4, 80389140), (5, 64311312), (6, 53592760), (8, 40194570), (10, 32155656), (12, 26796380), (13, 24735120), (15, 21437104), (16, 20097285), (20, 16077828), (23, 13980720), (24, 13398190), (26, 12367560), (30, 10718552), (39, 8245040), (40, 8038914), (46, 6990360), (48, 6699095), (52, 6183780), (60, 5359276), (65, 4947024), (69, 4660240), (78, 4122520), (80, 4019457), (92, 3495180), (104, 3091890), (115, 2796144), (120, 2679638), (130, 2473512), (138, 2330120), (156, 2061260), (184, 1747590), (195, 1649008), (208, 1545945), (230, 1398072), (240, 1339819), (260, 1236756), (276, 1165060), (299, 1075440), (312, 1030630), (345, 932048), (368, 873795), (390, 824504), (460, 699036), (520, 618378), (552, 582530), (598, 537720), (624, 515315), (690, 466024), (780, 412252), (897, 358480), (920, 349518), (1040, 309189), (1104, 291265), (1196, 268860), (1380, 233012), (1495, 215088), (1560, 206126), (1794, 179240), (1840, 174759), (2392, 134430), (2760, 116506), (2990, 107544), (3120, 103063), (3588, 89620), (4481, 71760), (4485, 71696), (4784, 67215), (5520, 58253), (5980, 53772), (7176, 44810), (8962, 35880), (8970, 35848), (11960, 26886), (13443, 23920), (14352, 22405), (17924, 17940)]