31311120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{461}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 97618752

約数和(自身を除く): 66307632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 283, 461, 566, 849, 922, 1132, 1383, 1415, 1698, 1844, 2264, 2305, 2766, 2830, 3396, 3688, 4245, 4528, 4610, 5532, 5660, 6792, 6915, 7376, 8490, 9220, 11064, 11320, 13584, 13830, 16980, 18440, 22128, 22640, 27660, 33960, 36880, 55320, 67920, 110640, 130463, 260926, 391389, 521852, 652315, 782778, 1043704, 1304630, 1565556, 1956945, 2087408, 2609260, 3131112, 3913890, 5218520, 6262224, 7827780, 10437040, 15655560, 31311120]

約数ペア:

[(1, 31311120), (2, 15655560), (3, 10437040), (4, 7827780), (5, 6262224), (6, 5218520), (8, 3913890), (10, 3131112), (12, 2609260), (15, 2087408), (16, 1956945), (20, 1565556), (24, 1304630), (30, 1043704), (40, 782778), (48, 652315), (60, 521852), (80, 391389), (120, 260926), (240, 130463), (283, 110640), (461, 67920), (566, 55320), (849, 36880), (922, 33960), (1132, 27660), (1383, 22640), (1415, 22128), (1698, 18440), (1844, 16980), (2264, 13830), (2305, 13584), (2766, 11320), (2830, 11064), (3396, 9220), (3688, 8490), (4245, 7376), (4528, 6915), (4610, 6792), (5532, 5660)]