8987940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 30820608

約数和(自身を除く): 21832668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 167, 180, 195, 207, 230, 234, 260, 276, 299, 334, 345, 390, 414, 460, 468, 501, 585, 598, 668, 690, 780, 828, 835, 897, 1002, 1035, 1170, 1196, 1380, 1495, 1503, 1670, 1794, 2004, 2070, 2171, 2340, 2505, 2691, 2990, 3006, 3340, 3588, 3841, 4140, 4342, 4485, 5010, 5382, 5980, 6012, 6513, 7515, 7682, 8684, 8970, 10020, 10764, 10855, 11523, 13026, 13455, 15030, 15364, 17940, 19205, 19539, 21710, 23046, 26052, 26910, 30060, 32565, 34569, 38410, 39078, 43420, 46092, 49933, 53820, 57615, 65130, 69138, 76820, 78156, 97695, 99866, 115230, 130260, 138276, 149799, 172845, 195390, 199732, 230460, 249665, 299598, 345690, 390780, 449397, 499330, 599196, 691380, 748995, 898794, 998660, 1497990, 1797588, 2246985, 2995980, 4493970, 8987940]

約数ペア:

[(1, 8987940), (2, 4493970), (3, 2995980), (4, 2246985), (5, 1797588), (6, 1497990), (9, 998660), (10, 898794), (12, 748995), (13, 691380), (15, 599196), (18, 499330), (20, 449397), (23, 390780), (26, 345690), (30, 299598), (36, 249665), (39, 230460), (45, 199732), (46, 195390), (52, 172845), (60, 149799), (65, 138276), (69, 130260), (78, 115230), (90, 99866), (92, 97695), (115, 78156), (117, 76820), (130, 69138), (138, 65130), (156, 57615), (167, 53820), (180, 49933), (195, 46092), (207, 43420), (230, 39078), (234, 38410), (260, 34569), (276, 32565), (299, 30060), (334, 26910), (345, 26052), (390, 23046), (414, 21710), (460, 19539), (468, 19205), (501, 17940), (585, 15364), (598, 15030), (668, 13455), (690, 13026), (780, 11523), (828, 10855), (835, 10764), (897, 10020), (1002, 8970), (1035, 8684), (1170, 7682), (1196, 7515), (1380, 6513), (1495, 6012), (1503, 5980), (1670, 5382), (1794, 5010), (2004, 4485), (2070, 4342), (2171, 4140), (2340, 3841), (2505, 3588), (2691, 3340), (2990, 3006)]