15637980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{991}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 43997184

約数和(自身を除く): 28359204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 991, 1052, 1315, 1578, 1982, 2630, 2973, 3156, 3945, 3964, 4955, 5260, 5946, 7890, 9910, 11892, 14865, 15780, 19820, 29730, 59460, 260633, 521266, 781899, 1042532, 1303165, 1563798, 2606330, 3127596, 3909495, 5212660, 7818990, 15637980]

約数ペア:

[(1, 15637980), (2, 7818990), (3, 5212660), (4, 3909495), (5, 3127596), (6, 2606330), (10, 1563798), (12, 1303165), (15, 1042532), (20, 781899), (30, 521266), (60, 260633), (263, 59460), (526, 29730), (789, 19820), (991, 15780), (1052, 14865), (1315, 11892), (1578, 9910), (1982, 7890), (2630, 5946), (2973, 5260), (3156, 4955), (3945, 3964)]