964117520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{631}}^1$

素因数の和:984

約数の個数: 80

約数和(自身を含む): 2285210880

約数和(自身を除く): 1321093360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 269, 284, 355, 538, 568, 631, 710, 1076, 1136, 1262, 1345, 1420, 2152, 2524, 2690, 2840, 3155, 4304, 5048, 5380, 5680, 6310, 10096, 10760, 12620, 19099, 21520, 25240, 38198, 44801, 50480, 76396, 89602, 95495, 152792, 169739, 179204, 190990, 224005, 305584, 339478, 358408, 381980, 448010, 678956, 716816, 763960, 848695, 896020, 1357912, 1527920, 1697390, 1792040, 2715824, 3394780, 3584080, 6789560, 12051469, 13579120, 24102938, 48205876, 60257345, 96411752, 120514690, 192823504, 241029380, 482058760, 964117520]

約数ペア:

[(1, 964117520), (2, 482058760), (4, 241029380), (5, 192823504), (8, 120514690), (10, 96411752), (16, 60257345), (20, 48205876), (40, 24102938), (71, 13579120), (80, 12051469), (142, 6789560), (269, 3584080), (284, 3394780), (355, 2715824), (538, 1792040), (568, 1697390), (631, 1527920), (710, 1357912), (1076, 896020), (1136, 848695), (1262, 763960), (1345, 716816), (1420, 678956), (2152, 448010), (2524, 381980), (2690, 358408), (2840, 339478), (3155, 305584), (4304, 224005), (5048, 190990), (5380, 179204), (5680, 169739), (6310, 152792), (10096, 95495), (10760, 89602), (12620, 76396), (19099, 50480), (21520, 44801), (25240, 38198)]