840204900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2280

約数の個数: 180

約数和(自身を含む): 2782821888

約数和(自身を除く): 1942616988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 81, 90, 94, 100, 108, 135, 141, 150, 162, 180, 188, 225, 235, 270, 282, 300, 324, 405, 423, 450, 470, 540, 564, 675, 705, 810, 846, 900, 940, 1175, 1269, 1350, 1410, 1620, 1692, 2025, 2115, 2207, 2350, 2538, 2700, 2820, 3525, 3807, 4050, 4230, 4414, 4700, 5076, 6345, 6621, 7050, 7614, 8100, 8460, 8828, 10575, 11035, 12690, 13242, 14100, 15228, 19035, 19863, 21150, 22070, 25380, 26484, 31725, 33105, 38070, 39726, 42300, 44140, 55175, 59589, 63450, 66210, 76140, 79452, 95175, 99315, 103729, 110350, 119178, 126900, 132420, 165525, 178767, 190350, 198630, 207458, 220700, 238356, 297945, 311187, 331050, 357534, 380700, 397260, 414916, 496575, 518645, 595890, 622374, 662100, 715068, 893835, 933561, 993150, 1037290, 1191780, 1244748, 1489725, 1555935, 1787670, 1867122, 1986300, 2074580, 2593225, 2800683, 2979450, 3111870, 3575340, 3734244, 4469175, 4667805, 5186450, 5601366, 5958900, 6223740, 7779675, 8402049, 8938350, 9335610, 10372900, 11202732, 14003415, 15559350, 16804098, 17876700, 18671220, 23339025, 28006830, 31118700, 33608196, 42010245, 46678050, 56013660, 70017075, 84020490, 93356100, 140034150, 168040980, 210051225, 280068300, 420102450, 840204900]

約数ペア:

[(1, 840204900), (2, 420102450), (3, 280068300), (4, 210051225), (5, 168040980), (6, 140034150), (9, 93356100), (10, 84020490), (12, 70017075), (15, 56013660), (18, 46678050), (20, 42010245), (25, 33608196), (27, 31118700), (30, 28006830), (36, 23339025), (45, 18671220), (47, 17876700), (50, 16804098), (54, 15559350), (60, 14003415), (75, 11202732), (81, 10372900), (90, 9335610), (94, 8938350), (100, 8402049), (108, 7779675), (135, 6223740), (141, 5958900), (150, 5601366), (162, 5186450), (180, 4667805), (188, 4469175), (225, 3734244), (235, 3575340), (270, 3111870), (282, 2979450), (300, 2800683), (324, 2593225), (405, 2074580), (423, 1986300), (450, 1867122), (470, 1787670), (540, 1555935), (564, 1489725), (675, 1244748), (705, 1191780), (810, 1037290), (846, 993150), (900, 933561), (940, 893835), (1175, 715068), (1269, 662100), (1350, 622374), (1410, 595890), (1620, 518645), (1692, 496575), (2025, 414916), (2115, 397260), (2207, 380700), (2350, 357534), (2538, 331050), (2700, 311187), (2820, 297945), (3525, 238356), (3807, 220700), (4050, 207458), (4230, 198630), (4414, 190350), (4700, 178767), (5076, 165525), (6345, 132420), (6621, 126900), (7050, 119178), (7614, 110350), (8100, 103729), (8460, 99315), (8828, 95175), (10575, 79452), (11035, 76140), (12690, 66210), (13242, 63450), (14100, 59589), (15228, 55175), (19035, 44140), (19863, 42300), (21150, 39726), (22070, 38070), (25380, 33105), (26484, 31725)]