15540240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:976

約数の個数: 80

約数和(自身を含む): 48889728

約数和(自身を除く): 33349488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 887, 1095, 1168, 1460, 1752, 1774, 2190, 2661, 2920, 3504, 3548, 4380, 4435, 5322, 5840, 7096, 8760, 8870, 10644, 13305, 14192, 17520, 17740, 21288, 26610, 35480, 42576, 53220, 64751, 70960, 106440, 129502, 194253, 212880, 259004, 323755, 388506, 518008, 647510, 777012, 971265, 1036016, 1295020, 1554024, 1942530, 2590040, 3108048, 3885060, 5180080, 7770120, 15540240]

約数ペア:

[(1, 15540240), (2, 7770120), (3, 5180080), (4, 3885060), (5, 3108048), (6, 2590040), (8, 1942530), (10, 1554024), (12, 1295020), (15, 1036016), (16, 971265), (20, 777012), (24, 647510), (30, 518008), (40, 388506), (48, 323755), (60, 259004), (73, 212880), (80, 194253), (120, 129502), (146, 106440), (219, 70960), (240, 64751), (292, 53220), (365, 42576), (438, 35480), (584, 26610), (730, 21288), (876, 17740), (887, 17520), (1095, 14192), (1168, 13305), (1460, 10644), (1752, 8870), (1774, 8760), (2190, 7096), (2661, 5840), (2920, 5322), (3504, 4435), (3548, 4380)]