72180120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7247}}^1$

素因数の和:7344

約数の個数: 64

約数和(自身を含む): 219179520

約数和(自身を除く): 146999400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 3320, 4980, 7247, 9960, 14494, 21741, 28988, 36235, 43482, 57976, 72470, 86964, 108705, 144940, 173928, 217410, 289880, 434820, 601501, 869640, 1203002, 1804503, 2406004, 3007505, 3609006, 4812008, 6015010, 7218012, 9022515, 12030020, 14436024, 18045030, 24060040, 36090060, 72180120]

約数ペア:

[(1, 72180120), (2, 36090060), (3, 24060040), (4, 18045030), (5, 14436024), (6, 12030020), (8, 9022515), (10, 7218012), (12, 6015010), (15, 4812008), (20, 3609006), (24, 3007505), (30, 2406004), (40, 1804503), (60, 1203002), (83, 869640), (120, 601501), (166, 434820), (249, 289880), (332, 217410), (415, 173928), (498, 144940), (664, 108705), (830, 86964), (996, 72470), (1245, 57976), (1660, 43482), (1992, 36235), (2490, 28988), (3320, 21741), (4980, 14494), (7247, 9960)]