257652160

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1434

約数の個数: 112

約数和(自身を含む): 667146240

約数和(自身を除く): 409494080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1178, 1216, 1240, 1367, 1520, 1984, 2356, 2480, 2734, 2945, 3040, 4712, 4960, 5468, 5890, 6080, 6835, 9424, 9920, 10936, 11780, 13670, 18848, 21872, 23560, 25973, 27340, 37696, 42377, 43744, 47120, 51946, 54680, 84754, 87488, 94240, 103892, 109360, 129865, 169508, 188480, 207784, 211885, 218720, 259730, 339016, 415568, 423770, 437440, 519460, 678032, 805163, 831136, 847540, 1038920, 1356064, 1610326, 1662272, 1695080, 2077840, 2712128, 3220652, 3390160, 4025815, 4155680, 6441304, 6780320, 8051630, 8311360, 12882608, 13560640, 16103260, 25765216, 32206520, 51530432, 64413040, 128826080, 257652160]

約数ペア:

[(1, 257652160), (2, 128826080), (4, 64413040), (5, 51530432), (8, 32206520), (10, 25765216), (16, 16103260), (19, 13560640), (20, 12882608), (31, 8311360), (32, 8051630), (38, 6780320), (40, 6441304), (62, 4155680), (64, 4025815), (76, 3390160), (80, 3220652), (95, 2712128), (124, 2077840), (152, 1695080), (155, 1662272), (160, 1610326), (190, 1356064), (248, 1038920), (304, 847540), (310, 831136), (320, 805163), (380, 678032), (496, 519460), (589, 437440), (608, 423770), (620, 415568), (760, 339016), (992, 259730), (1178, 218720), (1216, 211885), (1240, 207784), (1367, 188480), (1520, 169508), (1984, 129865), (2356, 109360), (2480, 103892), (2734, 94240), (2945, 87488), (3040, 84754), (4712, 54680), (4960, 51946), (5468, 47120), (5890, 43744), (6080, 42377), (6835, 37696), (9424, 27340), (9920, 25973), (10936, 23560), (11780, 21872), (13670, 18848)]