51209820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 165660768

約数和(自身を除く): 114450948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 108, 123, 135, 162, 164, 180, 205, 243, 246, 257, 270, 324, 369, 405, 410, 486, 492, 514, 540, 615, 738, 771, 810, 820, 972, 1028, 1107, 1215, 1230, 1285, 1476, 1542, 1620, 1845, 2214, 2313, 2430, 2460, 2570, 3084, 3321, 3690, 3855, 4428, 4626, 4860, 5140, 5535, 6642, 6939, 7380, 7710, 9252, 9963, 10537, 11070, 11565, 13284, 13878, 15420, 16605, 19926, 20817, 21074, 22140, 23130, 27756, 31611, 33210, 34695, 39852, 41634, 42148, 46260, 49815, 52685, 62451, 63222, 66420, 69390, 83268, 94833, 99630, 104085, 105370, 124902, 126444, 138780, 158055, 189666, 199260, 208170, 210740, 249804, 284499, 312255, 316110, 379332, 416340, 474165, 568998, 624510, 632220, 853497, 948330, 1137996, 1249020, 1422495, 1706994, 1896660, 2560491, 2844990, 3413988, 4267485, 5120982, 5689980, 8534970, 10241964, 12802455, 17069940, 25604910, 51209820]

約数ペア:

[(1, 51209820), (2, 25604910), (3, 17069940), (4, 12802455), (5, 10241964), (6, 8534970), (9, 5689980), (10, 5120982), (12, 4267485), (15, 3413988), (18, 2844990), (20, 2560491), (27, 1896660), (30, 1706994), (36, 1422495), (41, 1249020), (45, 1137996), (54, 948330), (60, 853497), (81, 632220), (82, 624510), (90, 568998), (108, 474165), (123, 416340), (135, 379332), (162, 316110), (164, 312255), (180, 284499), (205, 249804), (243, 210740), (246, 208170), (257, 199260), (270, 189666), (324, 158055), (369, 138780), (405, 126444), (410, 124902), (486, 105370), (492, 104085), (514, 99630), (540, 94833), (615, 83268), (738, 69390), (771, 66420), (810, 63222), (820, 62451), (972, 52685), (1028, 49815), (1107, 46260), (1215, 42148), (1230, 41634), (1285, 39852), (1476, 34695), (1542, 33210), (1620, 31611), (1845, 27756), (2214, 23130), (2313, 22140), (2430, 21074), (2460, 20817), (2570, 19926), (3084, 16605), (3321, 15420), (3690, 13878), (3855, 13284), (4428, 11565), (4626, 11070), (4860, 10537), (5140, 9963), (5535, 9252), (6642, 7710), (6939, 7380)]