15721680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5039}}^1$

素因数の和:5068

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 36774960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 5039, 10078, 15117, 20156, 25195, 30234, 40312, 50390, 60468, 65507, 75585, 80624, 100780, 120936, 131014, 151170, 196521, 201560, 241872, 262028, 302340, 327535, 393042, 403120, 524056, 604680, 655070, 786084, 982605, 1048112, 1209360, 1310140, 1572168, 1965210, 2620280, 3144336, 3930420, 5240560, 7860840, 15721680]

約数ペア:

[(1, 15721680), (2, 7860840), (3, 5240560), (4, 3930420), (5, 3144336), (6, 2620280), (8, 1965210), (10, 1572168), (12, 1310140), (13, 1209360), (15, 1048112), (16, 982605), (20, 786084), (24, 655070), (26, 604680), (30, 524056), (39, 403120), (40, 393042), (48, 327535), (52, 302340), (60, 262028), (65, 241872), (78, 201560), (80, 196521), (104, 151170), (120, 131014), (130, 120936), (156, 100780), (195, 80624), (208, 75585), (240, 65507), (260, 60468), (312, 50390), (390, 40312), (520, 30234), (624, 25195), (780, 20156), (1040, 15117), (1560, 10078), (3120, 5039)]