51525540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 144

約数和(自身を含む): 174073536

約数和(自身を除く): 122547996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 53, 55, 60, 66, 90, 99, 106, 110, 132, 159, 165, 180, 198, 212, 220, 265, 318, 330, 396, 477, 491, 495, 530, 583, 636, 660, 795, 954, 982, 990, 1060, 1166, 1473, 1590, 1749, 1908, 1964, 1980, 2332, 2385, 2455, 2915, 2946, 3180, 3498, 4419, 4770, 4910, 5247, 5401, 5830, 5892, 6996, 7365, 8745, 8838, 9540, 9820, 10494, 10802, 11660, 14730, 16203, 17490, 17676, 20988, 21604, 22095, 26023, 26235, 27005, 29460, 32406, 34980, 44190, 48609, 52046, 52470, 54010, 64812, 78069, 81015, 88380, 97218, 104092, 104940, 108020, 130115, 156138, 162030, 194436, 234207, 243045, 260230, 286253, 312276, 324060, 390345, 468414, 486090, 520460, 572506, 780690, 858759, 936828, 972180, 1145012, 1171035, 1431265, 1561380, 1717518, 2342070, 2576277, 2862530, 3435036, 4293795, 4684140, 5152554, 5725060, 8587590, 10305108, 12881385, 17175180, 25762770, 51525540]

約数ペア:

[(1, 51525540), (2, 25762770), (3, 17175180), (4, 12881385), (5, 10305108), (6, 8587590), (9, 5725060), (10, 5152554), (11, 4684140), (12, 4293795), (15, 3435036), (18, 2862530), (20, 2576277), (22, 2342070), (30, 1717518), (33, 1561380), (36, 1431265), (44, 1171035), (45, 1145012), (53, 972180), (55, 936828), (60, 858759), (66, 780690), (90, 572506), (99, 520460), (106, 486090), (110, 468414), (132, 390345), (159, 324060), (165, 312276), (180, 286253), (198, 260230), (212, 243045), (220, 234207), (265, 194436), (318, 162030), (330, 156138), (396, 130115), (477, 108020), (491, 104940), (495, 104092), (530, 97218), (583, 88380), (636, 81015), (660, 78069), (795, 64812), (954, 54010), (982, 52470), (990, 52046), (1060, 48609), (1166, 44190), (1473, 34980), (1590, 32406), (1749, 29460), (1908, 27005), (1964, 26235), (1980, 26023), (2332, 22095), (2385, 21604), (2455, 20988), (2915, 17676), (2946, 17490), (3180, 16203), (3498, 14730), (4419, 11660), (4770, 10802), (4910, 10494), (5247, 9820), (5401, 9540), (5830, 8838), (5892, 8745), (6996, 7365)]