71952440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{821}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 185837760

約数和(自身を除く): 113885320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 821, 1252, 1565, 1642, 2191, 2504, 3130, 3284, 4105, 4382, 5747, 6260, 6568, 8210, 8764, 10955, 11494, 12520, 16420, 17528, 21910, 22988, 28735, 32840, 43820, 45976, 57470, 87640, 114940, 229880, 256973, 513946, 1027892, 1284865, 1798811, 2055784, 2569730, 3597622, 5139460, 7195244, 8994055, 10278920, 14390488, 17988110, 35976220, 71952440]

約数ペア:

[(1, 71952440), (2, 35976220), (4, 17988110), (5, 14390488), (7, 10278920), (8, 8994055), (10, 7195244), (14, 5139460), (20, 3597622), (28, 2569730), (35, 2055784), (40, 1798811), (56, 1284865), (70, 1027892), (140, 513946), (280, 256973), (313, 229880), (626, 114940), (821, 87640), (1252, 57470), (1565, 45976), (1642, 43820), (2191, 32840), (2504, 28735), (3130, 22988), (3284, 21910), (4105, 17528), (4382, 16420), (5747, 12520), (6260, 11494), (6568, 10955), (8210, 8764)]