321807720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8969}}^1$

素因数の和:9019

約数の個数: 128

約数和(自身を含む): 1085011200

約数和(自身を除く): 763203480

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, 4485, 5980, 7176, 8969, 8970, 11960, 17938, 17940, 26907, 35876, 35880, 44845, 53814, 71752, 89690, 107628, 116597, 134535, 179380, 206287, 215256, 233194, 269070, 349791, 358760, 412574, 466388, 538140, 582985, 618861, 699582, 825148, 932776, 1031435, 1076280, 1165970, 1237722, 1399164, 1650296, 1748955, 2062870, 2331940, 2475444, 2681731, 2798328, 3094305, 3497910, 4125740, 4663880, 4950888, 5363462, 6188610, 6995820, 8045193, 8251480, 10726924, 12377220, 13408655, 13991640, 16090386, 21453848, 24754440, 26817310, 32180772, 40225965, 53634620, 64361544, 80451930, 107269240, 160903860, 321807720]

約数ペア:

[(1, 321807720), (2, 160903860), (3, 107269240), (4, 80451930), (5, 64361544), (6, 53634620), (8, 40225965), (10, 32180772), (12, 26817310), (13, 24754440), (15, 21453848), (20, 16090386), (23, 13991640), (24, 13408655), (26, 12377220), (30, 10726924), (39, 8251480), (40, 8045193), (46, 6995820), (52, 6188610), (60, 5363462), (65, 4950888), (69, 4663880), (78, 4125740), (92, 3497910), (104, 3094305), (115, 2798328), (120, 2681731), (130, 2475444), (138, 2331940), (156, 2062870), (184, 1748955), (195, 1650296), (230, 1399164), (260, 1237722), (276, 1165970), (299, 1076280), (312, 1031435), (345, 932776), (390, 825148), (460, 699582), (520, 618861), (552, 582985), (598, 538140), (690, 466388), (780, 412574), (897, 358760), (920, 349791), (1196, 269070), (1380, 233194), (1495, 215256), (1560, 206287), (1794, 179380), (2392, 134535), (2760, 116597), (2990, 107628), (3588, 89690), (4485, 71752), (5980, 53814), (7176, 44845), (8969, 35880), (8970, 35876), (11960, 26907), (17938, 17940)]