51786540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2493

約数の個数: 120

約数和(自身を含む): 175024080

約数和(自身を除く): 123237540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 2459, 3510, 4212, 4918, 5265, 7020, 7377, 9836, 10530, 12295, 14754, 21060, 22131, 24590, 29508, 31967, 36885, 44262, 49180, 63934, 66393, 73770, 88524, 95901, 110655, 127868, 132786, 147540, 159835, 191802, 199179, 221310, 265572, 287703, 319670, 331965, 383604, 398358, 442620, 479505, 575406, 639340, 663930, 796716, 863109, 959010, 995895, 1150812, 1327860, 1438515, 1726218, 1918020, 1991790, 2589327, 2877030, 3452436, 3983580, 4315545, 5178654, 5754060, 8631090, 10357308, 12946635, 17262180, 25893270, 51786540]

約数ペア:

[(1, 51786540), (2, 25893270), (3, 17262180), (4, 12946635), (5, 10357308), (6, 8631090), (9, 5754060), (10, 5178654), (12, 4315545), (13, 3983580), (15, 3452436), (18, 2877030), (20, 2589327), (26, 1991790), (27, 1918020), (30, 1726218), (36, 1438515), (39, 1327860), (45, 1150812), (52, 995895), (54, 959010), (60, 863109), (65, 796716), (78, 663930), (81, 639340), (90, 575406), (108, 479505), (117, 442620), (130, 398358), (135, 383604), (156, 331965), (162, 319670), (180, 287703), (195, 265572), (234, 221310), (260, 199179), (270, 191802), (324, 159835), (351, 147540), (390, 132786), (405, 127868), (468, 110655), (540, 95901), (585, 88524), (702, 73770), (780, 66393), (810, 63934), (1053, 49180), (1170, 44262), (1404, 36885), (1620, 31967), (1755, 29508), (2106, 24590), (2340, 22131), (2459, 21060), (3510, 14754), (4212, 12295), (4918, 10530), (5265, 9836), (7020, 7377)]