8947380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11471}}^1$

素因数の和:11496

約数の個数: 48

約数和(自身を含む): 26982144

約数和(自身を除く): 18034764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 11471, 22942, 34413, 45884, 57355, 68826, 114710, 137652, 149123, 172065, 229420, 298246, 344130, 447369, 596492, 688260, 745615, 894738, 1491230, 1789476, 2236845, 2982460, 4473690, 8947380]

約数ペア:

[(1, 8947380), (2, 4473690), (3, 2982460), (4, 2236845), (5, 1789476), (6, 1491230), (10, 894738), (12, 745615), (13, 688260), (15, 596492), (20, 447369), (26, 344130), (30, 298246), (39, 229420), (52, 172065), (60, 149123), (65, 137652), (78, 114710), (130, 68826), (156, 57355), (195, 45884), (260, 34413), (390, 22942), (780, 11471)]