56811720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1439}}^1$

素因数の和:1507

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 142253880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1439, 1645, 1880, 1974, 2632, 2820, 2878, 3290, 3948, 4317, 4935, 5640, 5756, 6580, 7195, 7896, 8634, 9870, 10073, 11512, 13160, 14390, 17268, 19740, 20146, 21585, 28780, 30219, 34536, 39480, 40292, 43170, 50365, 57560, 60438, 67633, 80584, 86340, 100730, 120876, 135266, 151095, 172680, 201460, 202899, 241752, 270532, 302190, 338165, 402920, 405798, 473431, 541064, 604380, 676330, 811596, 946862, 1014495, 1208760, 1352660, 1420293, 1623192, 1893724, 2028990, 2367155, 2705320, 2840586, 3787448, 4057980, 4734310, 5681172, 7101465, 8115960, 9468620, 11362344, 14202930, 18937240, 28405860, 56811720]

約数ペア:

[(1, 56811720), (2, 28405860), (3, 18937240), (4, 14202930), (5, 11362344), (6, 9468620), (7, 8115960), (8, 7101465), (10, 5681172), (12, 4734310), (14, 4057980), (15, 3787448), (20, 2840586), (21, 2705320), (24, 2367155), (28, 2028990), (30, 1893724), (35, 1623192), (40, 1420293), (42, 1352660), (47, 1208760), (56, 1014495), (60, 946862), (70, 811596), (84, 676330), (94, 604380), (105, 541064), (120, 473431), (140, 405798), (141, 402920), (168, 338165), (188, 302190), (210, 270532), (235, 241752), (280, 202899), (282, 201460), (329, 172680), (376, 151095), (420, 135266), (470, 120876), (564, 100730), (658, 86340), (705, 80584), (840, 67633), (940, 60438), (987, 57560), (1128, 50365), (1316, 43170), (1410, 40292), (1439, 39480), (1645, 34536), (1880, 30219), (1974, 28780), (2632, 21585), (2820, 20146), (2878, 19740), (3290, 17268), (3948, 14390), (4317, 13160), (4935, 11512), (5640, 10073), (5756, 9870), (6580, 8634), (7195, 7896)]