87124520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{821}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 224899200

約数和(自身を除く): 137774680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 758, 821, 1516, 1642, 1895, 2653, 3032, 3284, 3790, 4105, 5306, 5747, 6568, 7580, 8210, 10612, 11494, 13265, 15160, 16420, 21224, 22988, 26530, 28735, 32840, 45976, 53060, 57470, 106120, 114940, 229880, 311159, 622318, 1244636, 1555795, 2178113, 2489272, 3111590, 4356226, 6223180, 8712452, 10890565, 12446360, 17424904, 21781130, 43562260, 87124520]

約数ペア:

[(1, 87124520), (2, 43562260), (4, 21781130), (5, 17424904), (7, 12446360), (8, 10890565), (10, 8712452), (14, 6223180), (20, 4356226), (28, 3111590), (35, 2489272), (40, 2178113), (56, 1555795), (70, 1244636), (140, 622318), (280, 311159), (379, 229880), (758, 114940), (821, 106120), (1516, 57470), (1642, 53060), (1895, 45976), (2653, 32840), (3032, 28735), (3284, 26530), (3790, 22988), (4105, 21224), (5306, 16420), (5747, 15160), (6568, 13265), (7580, 11494), (8210, 10612)]