131648320

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:648

約数の個数: 112

約数和(自身を含む): 338254848

約数和(自身を除く): 206606528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 577, 620, 713, 736, 920, 992, 1154, 1240, 1426, 1472, 1840, 1984, 2308, 2480, 2852, 2885, 3565, 3680, 4616, 4960, 5704, 5770, 7130, 7360, 9232, 9920, 11408, 11540, 13271, 14260, 17887, 18464, 22816, 23080, 26542, 28520, 35774, 36928, 45632, 46160, 53084, 57040, 66355, 71548, 89435, 92320, 106168, 114080, 132710, 143096, 178870, 184640, 212336, 228160, 265420, 286192, 357740, 411401, 424672, 530840, 572384, 715480, 822802, 849344, 1061680, 1144768, 1430960, 1645604, 2057005, 2123360, 2861920, 3291208, 4114010, 4246720, 5723840, 6582416, 8228020, 13164832, 16456040, 26329664, 32912080, 65824160, 131648320]

約数ペア:

[(1, 131648320), (2, 65824160), (4, 32912080), (5, 26329664), (8, 16456040), (10, 13164832), (16, 8228020), (20, 6582416), (23, 5723840), (31, 4246720), (32, 4114010), (40, 3291208), (46, 2861920), (62, 2123360), (64, 2057005), (80, 1645604), (92, 1430960), (115, 1144768), (124, 1061680), (155, 849344), (160, 822802), (184, 715480), (230, 572384), (248, 530840), (310, 424672), (320, 411401), (368, 357740), (460, 286192), (496, 265420), (577, 228160), (620, 212336), (713, 184640), (736, 178870), (920, 143096), (992, 132710), (1154, 114080), (1240, 106168), (1426, 92320), (1472, 89435), (1840, 71548), (1984, 66355), (2308, 57040), (2480, 53084), (2852, 46160), (2885, 45632), (3565, 36928), (3680, 35774), (4616, 28520), (4960, 26542), (5704, 23080), (5770, 22816), (7130, 18464), (7360, 17887), (9232, 14260), (9920, 13271), (11408, 11540)]