257580180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10007}}^1$

素因数の和:10046

約数の個数: 144

約数和(自身を含む): 918013824

約数和(自身を除く): 660433644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 10007, 12870, 20014, 25740, 30021, 40028, 50035, 60042, 90063, 100070, 110077, 120084, 130091, 150105, 180126, 200140, 220154, 260182, 300210, 330231, 360252, 390273, 440308, 450315, 520364, 550385, 600420, 650455, 660462, 780546, 900630, 990693, 1100770, 1170819, 1300910, 1320924, 1431001, 1561092, 1651155, 1801260, 1951365, 1981386, 2201540, 2341638, 2601820, 2862002, 3302310, 3902730, 3962772, 4293003, 4683276, 4953465, 5724004, 5854095, 6604620, 7155005, 7805460, 8586006, 9906930, 11708190, 12879009, 14310010, 17172012, 19813860, 21465015, 23416380, 25758018, 28620020, 42930030, 51516036, 64395045, 85860060, 128790090, 257580180]

約数ペア:

[(1, 257580180), (2, 128790090), (3, 85860060), (4, 64395045), (5, 51516036), (6, 42930030), (9, 28620020), (10, 25758018), (11, 23416380), (12, 21465015), (13, 19813860), (15, 17172012), (18, 14310010), (20, 12879009), (22, 11708190), (26, 9906930), (30, 8586006), (33, 7805460), (36, 7155005), (39, 6604620), (44, 5854095), (45, 5724004), (52, 4953465), (55, 4683276), (60, 4293003), (65, 3962772), (66, 3902730), (78, 3302310), (90, 2862002), (99, 2601820), (110, 2341638), (117, 2201540), (130, 1981386), (132, 1951365), (143, 1801260), (156, 1651155), (165, 1561092), (180, 1431001), (195, 1320924), (198, 1300910), (220, 1170819), (234, 1100770), (260, 990693), (286, 900630), (330, 780546), (390, 660462), (396, 650455), (429, 600420), (468, 550385), (495, 520364), (572, 450315), (585, 440308), (660, 390273), (715, 360252), (780, 330231), (858, 300210), (990, 260182), (1170, 220154), (1287, 200140), (1430, 180126), (1716, 150105), (1980, 130091), (2145, 120084), (2340, 110077), (2574, 100070), (2860, 90063), (4290, 60042), (5148, 50035), (6435, 40028), (8580, 30021), (10007, 25740), (12870, 20014)]