66815520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139199}}^1$

素因数の和:139217

約数の個数: 48

約数和(自身を含む): 210470400

約数和(自身を除く): 143654880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 139199, 278398, 417597, 556796, 695995, 835194, 1113592, 1391990, 1670388, 2087985, 2227184, 2783980, 3340776, 4175970, 4454368, 5567960, 6681552, 8351940, 11135920, 13363104, 16703880, 22271840, 33407760, 66815520]

約数ペア:

[(1, 66815520), (2, 33407760), (3, 22271840), (4, 16703880), (5, 13363104), (6, 11135920), (8, 8351940), (10, 6681552), (12, 5567960), (15, 4454368), (16, 4175970), (20, 3340776), (24, 2783980), (30, 2227184), (32, 2087985), (40, 1670388), (48, 1391990), (60, 1113592), (80, 835194), (96, 695995), (120, 556796), (160, 417597), (240, 278398), (480, 139199)]