15941440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1655

約数の個数: 56

約数和(自身を含む): 39209472

約数和(自身を除く): 23268032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1607, 1984, 2480, 3214, 4960, 6428, 8035, 9920, 12856, 16070, 25712, 32140, 49817, 51424, 64280, 99634, 102848, 128560, 199268, 249085, 257120, 398536, 498170, 514240, 797072, 996340, 1594144, 1992680, 3188288, 3985360, 7970720, 15941440]

約数ペア:

[(1, 15941440), (2, 7970720), (4, 3985360), (5, 3188288), (8, 1992680), (10, 1594144), (16, 996340), (20, 797072), (31, 514240), (32, 498170), (40, 398536), (62, 257120), (64, 249085), (80, 199268), (124, 128560), (155, 102848), (160, 99634), (248, 64280), (310, 51424), (320, 49817), (496, 32140), (620, 25712), (992, 16070), (1240, 12856), (1607, 9920), (1984, 8035), (2480, 6428), (3214, 4960)]