657156720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1087}}^1$

素因数の和:1343

約数の個数: 160

約数和(自身を含む): 2234142720

約数和(自身を除く): 1576986000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 229, 240, 264, 330, 440, 458, 528, 660, 687, 880, 916, 1087, 1145, 1320, 1374, 1832, 2174, 2290, 2519, 2640, 2748, 3261, 3435, 3664, 4348, 4580, 5038, 5435, 5496, 6522, 6870, 7557, 8696, 9160, 10076, 10870, 10992, 11957, 12595, 13044, 13740, 15114, 16305, 17392, 18320, 20152, 21740, 23914, 25190, 26088, 27480, 30228, 32610, 35871, 37785, 40304, 43480, 47828, 50380, 52176, 54960, 59785, 60456, 65220, 71742, 75570, 86960, 95656, 100760, 119570, 120912, 130440, 143484, 151140, 179355, 191312, 201520, 239140, 248923, 260880, 286968, 302280, 358710, 478280, 497846, 573936, 604560, 717420, 746769, 956560, 995692, 1244615, 1434840, 1493538, 1991384, 2489230, 2738153, 2869680, 2987076, 3733845, 3982768, 4978460, 5476306, 5974152, 7467690, 8214459, 9956920, 10952612, 11948304, 13690765, 14935380, 16428918, 19913840, 21905224, 27381530, 29870760, 32857836, 41072295, 43810448, 54763060, 59741520, 65715672, 82144590, 109526120, 131431344, 164289180, 219052240, 328578360, 657156720]

約数ペア:

[(1, 657156720), (2, 328578360), (3, 219052240), (4, 164289180), (5, 131431344), (6, 109526120), (8, 82144590), (10, 65715672), (11, 59741520), (12, 54763060), (15, 43810448), (16, 41072295), (20, 32857836), (22, 29870760), (24, 27381530), (30, 21905224), (33, 19913840), (40, 16428918), (44, 14935380), (48, 13690765), (55, 11948304), (60, 10952612), (66, 9956920), (80, 8214459), (88, 7467690), (110, 5974152), (120, 5476306), (132, 4978460), (165, 3982768), (176, 3733845), (220, 2987076), (229, 2869680), (240, 2738153), (264, 2489230), (330, 1991384), (440, 1493538), (458, 1434840), (528, 1244615), (660, 995692), (687, 956560), (880, 746769), (916, 717420), (1087, 604560), (1145, 573936), (1320, 497846), (1374, 478280), (1832, 358710), (2174, 302280), (2290, 286968), (2519, 260880), (2640, 248923), (2748, 239140), (3261, 201520), (3435, 191312), (3664, 179355), (4348, 151140), (4580, 143484), (5038, 130440), (5435, 120912), (5496, 119570), (6522, 100760), (6870, 95656), (7557, 86960), (8696, 75570), (9160, 71742), (10076, 65220), (10870, 60456), (10992, 59785), (11957, 54960), (12595, 52176), (13044, 50380), (13740, 47828), (15114, 43480), (16305, 40304), (17392, 37785), (18320, 35871), (20152, 32610), (21740, 30228), (23914, 27480), (25190, 26088)]