157320920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 371312640

約数和(自身を除く): 213991720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 271, 460, 542, 631, 920, 1084, 1262, 1355, 2168, 2524, 2710, 3155, 5048, 5420, 6233, 6310, 10840, 12466, 12620, 14513, 24932, 25240, 29026, 31165, 49864, 58052, 62330, 72565, 116104, 124660, 145130, 171001, 249320, 290260, 342002, 580520, 684004, 855005, 1368008, 1710010, 3420020, 3933023, 6840040, 7866046, 15732092, 19665115, 31464184, 39330230, 78660460, 157320920]

約数ペア:

[(1, 157320920), (2, 78660460), (4, 39330230), (5, 31464184), (8, 19665115), (10, 15732092), (20, 7866046), (23, 6840040), (40, 3933023), (46, 3420020), (92, 1710010), (115, 1368008), (184, 855005), (230, 684004), (271, 580520), (460, 342002), (542, 290260), (631, 249320), (920, 171001), (1084, 145130), (1262, 124660), (1355, 116104), (2168, 72565), (2524, 62330), (2710, 58052), (3155, 49864), (5048, 31165), (5420, 29026), (6233, 25240), (6310, 24932), (10840, 14513), (12466, 12620)]