15317400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{521}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 55342440

約数和(自身を除く): 40025040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 521, 525, 588, 600, 700, 735, 840, 980, 1042, 1050, 1176, 1225, 1400, 1470, 1563, 1960, 2084, 2100, 2450, 2605, 2940, 3126, 3647, 3675, 4168, 4200, 4900, 5210, 5880, 6252, 7294, 7350, 7815, 9800, 10420, 10941, 12504, 13025, 14588, 14700, 15630, 18235, 20840, 21882, 25529, 26050, 29176, 29400, 31260, 36470, 39075, 43764, 51058, 52100, 54705, 62520, 72940, 76587, 78150, 87528, 91175, 102116, 104200, 109410, 127645, 145880, 153174, 156300, 182350, 204232, 218820, 255290, 273525, 306348, 312600, 364700, 382935, 437640, 510580, 547050, 612696, 638225, 729400, 765870, 1021160, 1094100, 1276450, 1531740, 1914675, 2188200, 2552900, 3063480, 3829350, 5105800, 7658700, 15317400]

約数ペア:

[(1, 15317400), (2, 7658700), (3, 5105800), (4, 3829350), (5, 3063480), (6, 2552900), (7, 2188200), (8, 1914675), (10, 1531740), (12, 1276450), (14, 1094100), (15, 1021160), (20, 765870), (21, 729400), (24, 638225), (25, 612696), (28, 547050), (30, 510580), (35, 437640), (40, 382935), (42, 364700), (49, 312600), (50, 306348), (56, 273525), (60, 255290), (70, 218820), (75, 204232), (84, 182350), (98, 156300), (100, 153174), (105, 145880), (120, 127645), (140, 109410), (147, 104200), (150, 102116), (168, 91175), (175, 87528), (196, 78150), (200, 76587), (210, 72940), (245, 62520), (280, 54705), (294, 52100), (300, 51058), (350, 43764), (392, 39075), (420, 36470), (490, 31260), (521, 29400), (525, 29176), (588, 26050), (600, 25529), (700, 21882), (735, 20840), (840, 18235), (980, 15630), (1042, 14700), (1050, 14588), (1176, 13025), (1225, 12504), (1400, 10941), (1470, 10420), (1563, 9800), (1960, 7815), (2084, 7350), (2100, 7294), (2450, 6252), (2605, 5880), (2940, 5210), (3126, 4900), (3647, 4200), (3675, 4168)]