131437040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2971}}^1$

素因数の和:3070

約数の個数: 80

約数和(自身を含む): 353786880

約数和(自身を除く): 222349840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 2971, 3160, 4424, 5530, 5942, 6320, 8848, 11060, 11884, 14855, 20797, 22120, 23768, 29710, 41594, 44240, 47536, 59420, 83188, 103985, 118840, 166376, 207970, 234709, 237680, 332752, 415940, 469418, 831880, 938836, 1173545, 1642963, 1663760, 1877672, 2347090, 3285926, 3755344, 4694180, 6571852, 8214815, 9388360, 13143704, 16429630, 18776720, 26287408, 32859260, 65718520, 131437040]

約数ペア:

[(1, 131437040), (2, 65718520), (4, 32859260), (5, 26287408), (7, 18776720), (8, 16429630), (10, 13143704), (14, 9388360), (16, 8214815), (20, 6571852), (28, 4694180), (35, 3755344), (40, 3285926), (56, 2347090), (70, 1877672), (79, 1663760), (80, 1642963), (112, 1173545), (140, 938836), (158, 831880), (280, 469418), (316, 415940), (395, 332752), (553, 237680), (560, 234709), (632, 207970), (790, 166376), (1106, 118840), (1264, 103985), (1580, 83188), (2212, 59420), (2765, 47536), (2971, 44240), (3160, 41594), (4424, 29710), (5530, 23768), (5942, 22120), (6320, 20797), (8848, 14855), (11060, 11884)]