51740520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1995

約数の個数: 128

約数和(自身を含む): 177085440

約数和(自身を除く): 125344920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 1951, 2040, 2210, 2652, 3315, 3902, 4420, 5304, 5853, 6630, 7804, 8840, 9755, 11706, 13260, 15608, 19510, 23412, 25363, 26520, 29265, 33167, 39020, 46824, 50726, 58530, 66334, 76089, 78040, 99501, 101452, 117060, 126815, 132668, 152178, 165835, 199002, 202904, 234120, 253630, 265336, 304356, 331670, 380445, 398004, 431171, 497505, 507260, 608712, 663340, 760890, 796008, 862342, 995010, 1014520, 1293513, 1326680, 1521780, 1724684, 1990020, 2155855, 2587026, 3043560, 3449368, 3980040, 4311710, 5174052, 6467565, 8623420, 10348104, 12935130, 17246840, 25870260, 51740520]

約数ペア:

[(1, 51740520), (2, 25870260), (3, 17246840), (4, 12935130), (5, 10348104), (6, 8623420), (8, 6467565), (10, 5174052), (12, 4311710), (13, 3980040), (15, 3449368), (17, 3043560), (20, 2587026), (24, 2155855), (26, 1990020), (30, 1724684), (34, 1521780), (39, 1326680), (40, 1293513), (51, 1014520), (52, 995010), (60, 862342), (65, 796008), (68, 760890), (78, 663340), (85, 608712), (102, 507260), (104, 497505), (120, 431171), (130, 398004), (136, 380445), (156, 331670), (170, 304356), (195, 265336), (204, 253630), (221, 234120), (255, 202904), (260, 199002), (312, 165835), (340, 152178), (390, 132668), (408, 126815), (442, 117060), (510, 101452), (520, 99501), (663, 78040), (680, 76089), (780, 66334), (884, 58530), (1020, 50726), (1105, 46824), (1326, 39020), (1560, 33167), (1768, 29265), (1951, 26520), (2040, 25363), (2210, 23412), (2652, 19510), (3315, 15608), (3902, 13260), (4420, 11706), (5304, 9755), (5853, 8840), (6630, 7804)]