28776060

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 93929472

約数和(自身を除く): 65153412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 191, 243, 270, 279, 310, 324, 372, 382, 405, 465, 486, 540, 558, 573, 620, 764, 810, 837, 930, 955, 972, 1116, 1146, 1215, 1395, 1620, 1674, 1719, 1860, 1910, 2292, 2430, 2511, 2790, 2865, 3348, 3438, 3820, 4185, 4860, 5022, 5157, 5580, 5730, 5921, 6876, 7533, 8370, 8595, 10044, 10314, 11460, 11842, 12555, 15066, 15471, 16740, 17190, 17763, 20628, 23684, 25110, 25785, 29605, 30132, 30942, 34380, 35526, 37665, 46413, 50220, 51570, 53289, 59210, 61884, 71052, 75330, 77355, 88815, 92826, 103140, 106578, 118420, 150660, 154710, 159867, 177630, 185652, 213156, 232065, 266445, 309420, 319734, 355260, 464130, 479601, 532890, 639468, 799335, 928260, 959202, 1065780, 1438803, 1598670, 1918404, 2398005, 2877606, 3197340, 4796010, 5755212, 7194015, 9592020, 14388030, 28776060]

約数ペア:

[(1, 28776060), (2, 14388030), (3, 9592020), (4, 7194015), (5, 5755212), (6, 4796010), (9, 3197340), (10, 2877606), (12, 2398005), (15, 1918404), (18, 1598670), (20, 1438803), (27, 1065780), (30, 959202), (31, 928260), (36, 799335), (45, 639468), (54, 532890), (60, 479601), (62, 464130), (81, 355260), (90, 319734), (93, 309420), (108, 266445), (124, 232065), (135, 213156), (155, 185652), (162, 177630), (180, 159867), (186, 154710), (191, 150660), (243, 118420), (270, 106578), (279, 103140), (310, 92826), (324, 88815), (372, 77355), (382, 75330), (405, 71052), (465, 61884), (486, 59210), (540, 53289), (558, 51570), (573, 50220), (620, 46413), (764, 37665), (810, 35526), (837, 34380), (930, 30942), (955, 30132), (972, 29605), (1116, 25785), (1146, 25110), (1215, 23684), (1395, 20628), (1620, 17763), (1674, 17190), (1719, 16740), (1860, 15471), (1910, 15066), (2292, 12555), (2430, 11842), (2511, 11460), (2790, 10314), (2865, 10044), (3348, 8595), (3438, 8370), (3820, 7533), (4185, 6876), (4860, 5921), (5022, 5730), (5157, 5580)]