313268280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8731}}^1$

素因数の和:8781

約数の個数: 128

約数和(自身を含む): 1056222720

約数和(自身を除く): 742954440

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, 8731, 8970, 11960, 17462, 17940, 26193, 34924, 35880, 43655, 52386, 69848, 87310, 104772, 113503, 130965, 174620, 200813, 209544, 227006, 261930, 340509, 349240, 401626, 454012, 523860, 567515, 602439, 681018, 803252, 908024, 1004065, 1047720, 1135030, 1204878, 1362036, 1606504, 1702545, 2008130, 2270060, 2409756, 2610569, 2724072, 3012195, 3405090, 4016260, 4540120, 4819512, 5221138, 6024390, 6810180, 7831707, 8032520, 10442276, 12048780, 13052845, 13620360, 15663414, 20884552, 24097560, 26105690, 31326828, 39158535, 52211380, 62653656, 78317070, 104422760, 156634140, 313268280]

約数ペア:

[(1, 313268280), (2, 156634140), (3, 104422760), (4, 78317070), (5, 62653656), (6, 52211380), (8, 39158535), (10, 31326828), (12, 26105690), (13, 24097560), (15, 20884552), (20, 15663414), (23, 13620360), (24, 13052845), (26, 12048780), (30, 10442276), (39, 8032520), (40, 7831707), (46, 6810180), (52, 6024390), (60, 5221138), (65, 4819512), (69, 4540120), (78, 4016260), (92, 3405090), (104, 3012195), (115, 2724072), (120, 2610569), (130, 2409756), (138, 2270060), (156, 2008130), (184, 1702545), (195, 1606504), (230, 1362036), (260, 1204878), (276, 1135030), (299, 1047720), (312, 1004065), (345, 908024), (390, 803252), (460, 681018), (520, 602439), (552, 567515), (598, 523860), (690, 454012), (780, 401626), (897, 349240), (920, 340509), (1196, 261930), (1380, 227006), (1495, 209544), (1560, 200813), (1794, 174620), (2392, 130965), (2760, 113503), (2990, 104772), (3588, 87310), (4485, 69848), (5980, 52386), (7176, 43655), (8731, 35880), (8970, 34924), (11960, 26193), (17462, 17940)]