77961280

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 112

約数和(自身を含む): 198973440

約数和(自身を除く): 121012160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 232, 248, 271, 290, 310, 320, 464, 496, 542, 580, 620, 899, 928, 992, 1084, 1160, 1240, 1355, 1798, 1856, 1984, 2168, 2320, 2480, 2710, 3596, 4336, 4495, 4640, 4960, 5420, 7192, 7859, 8401, 8672, 8990, 9280, 9920, 10840, 14384, 15718, 16802, 17344, 17980, 21680, 28768, 31436, 33604, 35960, 39295, 42005, 43360, 57536, 62872, 67208, 71920, 78590, 84010, 86720, 125744, 134416, 143840, 157180, 168020, 243629, 251488, 268832, 287680, 314360, 336040, 487258, 502976, 537664, 628720, 672080, 974516, 1218145, 1257440, 1344160, 1949032, 2436290, 2514880, 2688320, 3898064, 4872580, 7796128, 9745160, 15592256, 19490320, 38980640, 77961280]

約数ペア:

[(1, 77961280), (2, 38980640), (4, 19490320), (5, 15592256), (8, 9745160), (10, 7796128), (16, 4872580), (20, 3898064), (29, 2688320), (31, 2514880), (32, 2436290), (40, 1949032), (58, 1344160), (62, 1257440), (64, 1218145), (80, 974516), (116, 672080), (124, 628720), (145, 537664), (155, 502976), (160, 487258), (232, 336040), (248, 314360), (271, 287680), (290, 268832), (310, 251488), (320, 243629), (464, 168020), (496, 157180), (542, 143840), (580, 134416), (620, 125744), (899, 86720), (928, 84010), (992, 78590), (1084, 71920), (1160, 67208), (1240, 62872), (1355, 57536), (1798, 43360), (1856, 42005), (1984, 39295), (2168, 35960), (2320, 33604), (2480, 31436), (2710, 28768), (3596, 21680), (4336, 17980), (4495, 17344), (4640, 16802), (4960, 15718), (5420, 14384), (7192, 10840), (7859, 9920), (8401, 9280), (8672, 8990)]