257174760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:571

約数の個数: 128

約数和(自身を含む): 802483200

約数和(自身を除く): 545308440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 257, 269, 310, 372, 465, 514, 538, 620, 744, 771, 807, 930, 1028, 1076, 1240, 1285, 1345, 1542, 1614, 1860, 2056, 2152, 2570, 2690, 3084, 3228, 3720, 3855, 4035, 5140, 5380, 6168, 6456, 7710, 7967, 8070, 8339, 10280, 10760, 15420, 15934, 16140, 16678, 23901, 25017, 30840, 31868, 32280, 33356, 39835, 41695, 47802, 50034, 63736, 66712, 69133, 79670, 83390, 95604, 100068, 119505, 125085, 138266, 159340, 166780, 191208, 200136, 207399, 239010, 250170, 276532, 318680, 333560, 345665, 414798, 478020, 500340, 553064, 691330, 829596, 956040, 1000680, 1036995, 1382660, 1659192, 2073990, 2143123, 2765320, 4147980, 4286246, 6429369, 8295960, 8572492, 10715615, 12858738, 17144984, 21431230, 25717476, 32146845, 42862460, 51434952, 64293690, 85724920, 128587380, 257174760]

約数ペア:

[(1, 257174760), (2, 128587380), (3, 85724920), (4, 64293690), (5, 51434952), (6, 42862460), (8, 32146845), (10, 25717476), (12, 21431230), (15, 17144984), (20, 12858738), (24, 10715615), (30, 8572492), (31, 8295960), (40, 6429369), (60, 4286246), (62, 4147980), (93, 2765320), (120, 2143123), (124, 2073990), (155, 1659192), (186, 1382660), (248, 1036995), (257, 1000680), (269, 956040), (310, 829596), (372, 691330), (465, 553064), (514, 500340), (538, 478020), (620, 414798), (744, 345665), (771, 333560), (807, 318680), (930, 276532), (1028, 250170), (1076, 239010), (1240, 207399), (1285, 200136), (1345, 191208), (1542, 166780), (1614, 159340), (1860, 138266), (2056, 125085), (2152, 119505), (2570, 100068), (2690, 95604), (3084, 83390), (3228, 79670), (3720, 69133), (3855, 66712), (4035, 63736), (5140, 50034), (5380, 47802), (6168, 41695), (6456, 39835), (7710, 33356), (7967, 32280), (8070, 31868), (8339, 30840), (10280, 25017), (10760, 23901), (15420, 16678), (15934, 16140)]