78422680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{739}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 202464000

約数和(自身を除く): 124041320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 739, 758, 1478, 1516, 1895, 2653, 2956, 3032, 3695, 3790, 5173, 5306, 5912, 7390, 7580, 10346, 10612, 13265, 14780, 15160, 20692, 21224, 25865, 26530, 29560, 41384, 51730, 53060, 103460, 106120, 206920, 280081, 560162, 1120324, 1400405, 1960567, 2240648, 2800810, 3921134, 5601620, 7842268, 9802835, 11203240, 15684536, 19605670, 39211340, 78422680]

約数ペア:

[(1, 78422680), (2, 39211340), (4, 19605670), (5, 15684536), (7, 11203240), (8, 9802835), (10, 7842268), (14, 5601620), (20, 3921134), (28, 2800810), (35, 2240648), (40, 1960567), (56, 1400405), (70, 1120324), (140, 560162), (280, 280081), (379, 206920), (739, 106120), (758, 103460), (1478, 53060), (1516, 51730), (1895, 41384), (2653, 29560), (2956, 26530), (3032, 25865), (3695, 21224), (3790, 20692), (5173, 15160), (5306, 14780), (5912, 13265), (7390, 10612), (7580, 10346)]