28625520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1549}}^1$

素因数の和:1583

約数の個数: 160

約数和(自身を含む): 110707200

約数和(自身を除く): 82081680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1549, 1680, 1848, 2310, 2640, 3080, 3098, 3696, 4620, 4647, 6160, 6196, 7745, 9240, 9294, 10843, 12392, 15490, 17039, 18480, 18588, 21686, 23235, 24784, 30980, 32529, 34078, 37176, 43372, 46470, 51117, 54215, 61960, 65058, 68156, 74352, 85195, 86744, 92940, 102234, 108430, 119273, 123920, 130116, 136312, 162645, 170390, 173488, 185880, 204468, 216860, 238546, 255585, 260232, 272624, 325290, 340780, 357819, 371760, 408936, 433720, 477092, 511170, 520464, 596365, 650580, 681560, 715638, 817872, 867440, 954184, 1022340, 1192730, 1301160, 1363120, 1431276, 1789095, 1908368, 2044680, 2385460, 2602320, 2862552, 3578190, 4089360, 4770920, 5725104, 7156380, 9541840, 14312760, 28625520]

約数ペア:

[(1, 28625520), (2, 14312760), (3, 9541840), (4, 7156380), (5, 5725104), (6, 4770920), (7, 4089360), (8, 3578190), (10, 2862552), (11, 2602320), (12, 2385460), (14, 2044680), (15, 1908368), (16, 1789095), (20, 1431276), (21, 1363120), (22, 1301160), (24, 1192730), (28, 1022340), (30, 954184), (33, 867440), (35, 817872), (40, 715638), (42, 681560), (44, 650580), (48, 596365), (55, 520464), (56, 511170), (60, 477092), (66, 433720), (70, 408936), (77, 371760), (80, 357819), (84, 340780), (88, 325290), (105, 272624), (110, 260232), (112, 255585), (120, 238546), (132, 216860), (140, 204468), (154, 185880), (165, 173488), (168, 170390), (176, 162645), (210, 136312), (220, 130116), (231, 123920), (240, 119273), (264, 108430), (280, 102234), (308, 92940), (330, 86744), (336, 85195), (385, 74352), (420, 68156), (440, 65058), (462, 61960), (528, 54215), (560, 51117), (616, 46470), (660, 43372), (770, 37176), (840, 34078), (880, 32529), (924, 30980), (1155, 24784), (1232, 23235), (1320, 21686), (1540, 18588), (1549, 18480), (1680, 17039), (1848, 15490), (2310, 12392), (2640, 10843), (3080, 9294), (3098, 9240), (3696, 7745), (4620, 6196), (4647, 6160)]