15671520520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1\times {\mathrm{5903}}^1$

素因数の和:8086

約数の個数: 64

約数和(自身を含む): 36421539840

約数和(自身を除く): 20750019320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2141, 4282, 5903, 8564, 10705, 11806, 17128, 21410, 23612, 29515, 42820, 47224, 59030, 66371, 85640, 118060, 132742, 182993, 236120, 265484, 331855, 365986, 530968, 663710, 731972, 914965, 1327420, 1463944, 1829930, 2654840, 3659860, 7319720, 12638323, 25276646, 50553292, 63191615, 101106584, 126383230, 252766460, 391788013, 505532920, 783576026, 1567152052, 1958940065, 3134304104, 3917880130, 7835760260, 15671520520]

約数ペア:

[(1, 15671520520), (2, 7835760260), (4, 3917880130), (5, 3134304104), (8, 1958940065), (10, 1567152052), (20, 783576026), (31, 505532920), (40, 391788013), (62, 252766460), (124, 126383230), (155, 101106584), (248, 63191615), (310, 50553292), (620, 25276646), (1240, 12638323), (2141, 7319720), (4282, 3659860), (5903, 2654840), (8564, 1829930), (10705, 1463944), (11806, 1327420), (17128, 914965), (21410, 731972), (23612, 663710), (29515, 530968), (42820, 365986), (47224, 331855), (59030, 265484), (66371, 236120), (85640, 182993), (118060, 132742)]