311922780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17387}}^1$

素因数の和:17435

約数の個数: 96

約数和(自身を含む): 981517824

約数和(自身を除く): 669595044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1495, 1794, 2990, 3588, 4485, 5980, 8970, 17387, 17940, 34774, 52161, 69548, 86935, 104322, 173870, 208644, 226031, 260805, 347740, 399901, 452062, 521610, 678093, 799802, 904124, 1043220, 1130155, 1199703, 1356186, 1599604, 1999505, 2260310, 2399406, 2712372, 3390465, 3999010, 4520620, 4798812, 5198713, 5998515, 6780930, 7998020, 10397426, 11997030, 13561860, 15596139, 20794852, 23994060, 25993565, 31192278, 51987130, 62384556, 77980695, 103974260, 155961390, 311922780]

約数ペア:

[(1, 311922780), (2, 155961390), (3, 103974260), (4, 77980695), (5, 62384556), (6, 51987130), (10, 31192278), (12, 25993565), (13, 23994060), (15, 20794852), (20, 15596139), (23, 13561860), (26, 11997030), (30, 10397426), (39, 7998020), (46, 6780930), (52, 5998515), (60, 5198713), (65, 4798812), (69, 4520620), (78, 3999010), (92, 3390465), (115, 2712372), (130, 2399406), (138, 2260310), (156, 1999505), (195, 1599604), (230, 1356186), (260, 1199703), (276, 1130155), (299, 1043220), (345, 904124), (390, 799802), (460, 678093), (598, 521610), (690, 452062), (780, 399901), (897, 347740), (1196, 260805), (1380, 226031), (1495, 208644), (1794, 173870), (2990, 104322), (3588, 86935), (4485, 69548), (5980, 52161), (8970, 34774), (17387, 17940)]