77942720

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 112

約数和(自身を含む): 198059040

約数和(自身を除く): 120116320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 145, 148, 160, 185, 227, 232, 290, 296, 320, 370, 454, 464, 580, 592, 740, 908, 928, 1073, 1135, 1160, 1184, 1480, 1816, 1856, 2146, 2270, 2320, 2368, 2960, 3632, 4292, 4540, 4640, 5365, 5920, 6583, 7264, 8399, 8584, 9080, 9280, 10730, 11840, 13166, 14528, 16798, 17168, 18160, 21460, 26332, 32915, 33596, 34336, 36320, 41995, 42920, 52664, 65830, 67192, 68672, 72640, 83990, 85840, 105328, 131660, 134384, 167980, 171680, 210656, 243571, 263320, 268768, 335960, 343360, 421312, 487142, 526640, 537536, 671920, 974284, 1053280, 1217855, 1343840, 1948568, 2106560, 2435710, 2687680, 3897136, 4871420, 7794272, 9742840, 15588544, 19485680, 38971360, 77942720]

約数ペア:

[(1, 77942720), (2, 38971360), (4, 19485680), (5, 15588544), (8, 9742840), (10, 7794272), (16, 4871420), (20, 3897136), (29, 2687680), (32, 2435710), (37, 2106560), (40, 1948568), (58, 1343840), (64, 1217855), (74, 1053280), (80, 974284), (116, 671920), (145, 537536), (148, 526640), (160, 487142), (185, 421312), (227, 343360), (232, 335960), (290, 268768), (296, 263320), (320, 243571), (370, 210656), (454, 171680), (464, 167980), (580, 134384), (592, 131660), (740, 105328), (908, 85840), (928, 83990), (1073, 72640), (1135, 68672), (1160, 67192), (1184, 65830), (1480, 52664), (1816, 42920), (1856, 41995), (2146, 36320), (2270, 34336), (2320, 33596), (2368, 32915), (2960, 26332), (3632, 21460), (4292, 18160), (4540, 17168), (4640, 16798), (5365, 14528), (5920, 13166), (6583, 11840), (7264, 10730), (8399, 9280), (8584, 9080)]