156721120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1728

約数の個数: 96

約数和(自身を含む): 402554880

約数和(自身を除く): 245833760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 992, 1178, 1240, 1520, 1663, 2356, 2480, 2945, 3040, 3326, 4712, 4960, 5890, 6652, 8315, 9424, 11780, 13304, 16630, 18848, 23560, 26608, 31597, 33260, 47120, 51553, 53216, 63194, 66520, 94240, 103106, 126388, 133040, 157985, 206212, 252776, 257765, 266080, 315970, 412424, 505552, 515530, 631940, 824848, 979507, 1011104, 1031060, 1263880, 1649696, 1959014, 2062120, 2527760, 3918028, 4124240, 4897535, 5055520, 7836056, 8248480, 9795070, 15672112, 19590140, 31344224, 39180280, 78360560, 156721120]

約数ペア:

[(1, 156721120), (2, 78360560), (4, 39180280), (5, 31344224), (8, 19590140), (10, 15672112), (16, 9795070), (19, 8248480), (20, 7836056), (31, 5055520), (32, 4897535), (38, 4124240), (40, 3918028), (62, 2527760), (76, 2062120), (80, 1959014), (95, 1649696), (124, 1263880), (152, 1031060), (155, 1011104), (160, 979507), (190, 824848), (248, 631940), (304, 515530), (310, 505552), (380, 412424), (496, 315970), (589, 266080), (608, 257765), (620, 252776), (760, 206212), (992, 157985), (1178, 133040), (1240, 126388), (1520, 103106), (1663, 94240), (2356, 66520), (2480, 63194), (2945, 53216), (3040, 51553), (3326, 47120), (4712, 33260), (4960, 31597), (5890, 26608), (6652, 23560), (8315, 18848), (9424, 16630), (11780, 13304)]