2688691980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{265157}}^1$

素因数の和:265195

約数の個数: 72

約数和(自身を含む): 8152017552

約数和(自身を除く): 5463325572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 265157, 530314, 795471, 1060628, 1325785, 1590942, 2651570, 3181884, 3447041, 3977355, 5303140, 6894082, 7954710, 10341123, 13788164, 15909420, 17235205, 20682246, 34470410, 41364492, 44811533, 51705615, 68940820, 89623066, 103411230, 134434599, 179246132, 206822460, 224057665, 268869198, 448115330, 537738396, 672172995, 896230660, 1344345990, 2688691980]

約数ペア:

[(1, 2688691980), (2, 1344345990), (3, 896230660), (4, 672172995), (5, 537738396), (6, 448115330), (10, 268869198), (12, 224057665), (13, 206822460), (15, 179246132), (20, 134434599), (26, 103411230), (30, 89623066), (39, 68940820), (52, 51705615), (60, 44811533), (65, 41364492), (78, 34470410), (130, 20682246), (156, 17235205), (169, 15909420), (195, 13788164), (260, 10341123), (338, 7954710), (390, 6894082), (507, 5303140), (676, 3977355), (780, 3447041), (845, 3181884), (1014, 2651570), (1690, 1590942), (2028, 1325785), (2535, 1060628), (3380, 795471), (5070, 530314), (10140, 265157)]