215528120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2381}}^1$

素因数の和:2496

約数の個数: 64

約数和(自身を含む): 507651840

約数和(自身を除く): 292123720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 1240, 1460, 2263, 2381, 2920, 4526, 4762, 9052, 9524, 11315, 11905, 18104, 19048, 22630, 23810, 45260, 47620, 73811, 90520, 95240, 147622, 173813, 295244, 347626, 369055, 590488, 695252, 738110, 869065, 1390504, 1476220, 1738130, 2952440, 3476260, 5388203, 6952520, 10776406, 21552812, 26941015, 43105624, 53882030, 107764060, 215528120]

約数ペア:

[(1, 215528120), (2, 107764060), (4, 53882030), (5, 43105624), (8, 26941015), (10, 21552812), (20, 10776406), (31, 6952520), (40, 5388203), (62, 3476260), (73, 2952440), (124, 1738130), (146, 1476220), (155, 1390504), (248, 869065), (292, 738110), (310, 695252), (365, 590488), (584, 369055), (620, 347626), (730, 295244), (1240, 173813), (1460, 147622), (2263, 95240), (2381, 90520), (2920, 73811), (4526, 47620), (4762, 45260), (9052, 23810), (9524, 22630), (11315, 19048), (11905, 18104)]