157697680

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{821}}^1$

素因数の和:862

約数の個数: 100

約数和(自身を含む): 428250492

約数和(自身を除く): 270552812

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 821, 980, 1372, 1642, 1715, 1960, 2401, 2744, 3284, 3430, 3920, 4105, 4802, 5488, 5747, 6568, 6860, 8210, 9604, 11494, 12005, 13136, 13720, 16420, 19208, 22988, 24010, 27440, 28735, 32840, 38416, 40229, 45976, 48020, 57470, 65680, 80458, 91952, 96040, 114940, 160916, 192080, 201145, 229880, 281603, 321832, 402290, 459760, 563206, 643664, 804580, 1126412, 1408015, 1609160, 1971221, 2252824, 2816030, 3218320, 3942442, 4505648, 5632060, 7884884, 9856105, 11264120, 15769768, 19712210, 22528240, 31539536, 39424420, 78848840, 157697680]

約数ペア:

[(1, 157697680), (2, 78848840), (4, 39424420), (5, 31539536), (7, 22528240), (8, 19712210), (10, 15769768), (14, 11264120), (16, 9856105), (20, 7884884), (28, 5632060), (35, 4505648), (40, 3942442), (49, 3218320), (56, 2816030), (70, 2252824), (80, 1971221), (98, 1609160), (112, 1408015), (140, 1126412), (196, 804580), (245, 643664), (280, 563206), (343, 459760), (392, 402290), (490, 321832), (560, 281603), (686, 229880), (784, 201145), (821, 192080), (980, 160916), (1372, 114940), (1642, 96040), (1715, 91952), (1960, 80458), (2401, 65680), (2744, 57470), (3284, 48020), (3430, 45976), (3920, 40229), (4105, 38416), (4802, 32840), (5488, 28735), (5747, 27440), (6568, 24010), (6860, 22988), (8210, 19208), (9604, 16420), (11494, 13720), (12005, 13136)]