51578820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 166486320

約数和(自身を除く): 114907500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 41, 45, 58, 60, 82, 87, 90, 116, 123, 145, 164, 174, 180, 205, 241, 246, 261, 290, 348, 369, 410, 435, 482, 492, 522, 580, 615, 723, 738, 820, 870, 964, 1044, 1189, 1205, 1230, 1305, 1446, 1476, 1740, 1845, 2169, 2378, 2410, 2460, 2610, 2892, 3567, 3615, 3690, 4338, 4756, 4820, 5220, 5945, 6989, 7134, 7230, 7380, 8676, 9881, 10701, 10845, 11890, 13978, 14268, 14460, 17835, 19762, 20967, 21402, 21690, 23780, 27956, 29643, 34945, 35670, 39524, 41934, 42804, 43380, 49405, 53505, 59286, 62901, 69890, 71340, 83868, 88929, 98810, 104835, 107010, 118572, 125802, 139780, 148215, 177858, 197620, 209670, 214020, 251604, 286549, 296430, 314505, 355716, 419340, 444645, 573098, 592860, 629010, 859647, 889290, 1146196, 1258020, 1432745, 1719294, 1778580, 2578941, 2865490, 3438588, 4298235, 5157882, 5730980, 8596470, 10315764, 12894705, 17192940, 25789410, 51578820]

約数ペア:

[(1, 51578820), (2, 25789410), (3, 17192940), (4, 12894705), (5, 10315764), (6, 8596470), (9, 5730980), (10, 5157882), (12, 4298235), (15, 3438588), (18, 2865490), (20, 2578941), (29, 1778580), (30, 1719294), (36, 1432745), (41, 1258020), (45, 1146196), (58, 889290), (60, 859647), (82, 629010), (87, 592860), (90, 573098), (116, 444645), (123, 419340), (145, 355716), (164, 314505), (174, 296430), (180, 286549), (205, 251604), (241, 214020), (246, 209670), (261, 197620), (290, 177858), (348, 148215), (369, 139780), (410, 125802), (435, 118572), (482, 107010), (492, 104835), (522, 98810), (580, 88929), (615, 83868), (723, 71340), (738, 69890), (820, 62901), (870, 59286), (964, 53505), (1044, 49405), (1189, 43380), (1205, 42804), (1230, 41934), (1305, 39524), (1446, 35670), (1476, 34945), (1740, 29643), (1845, 27956), (2169, 23780), (2378, 21690), (2410, 21402), (2460, 20967), (2610, 19762), (2892, 17835), (3567, 14460), (3615, 14268), (3690, 13978), (4338, 11890), (4756, 10845), (4820, 10701), (5220, 9881), (5945, 8676), (6989, 7380), (7134, 7230)]