202789980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{829}}^1$

素因数の和:1001

約数の個数: 120

約数和(自身を含む): 641145120

約数和(自身を除く): 438355140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 151, 162, 180, 270, 302, 324, 405, 453, 540, 604, 755, 810, 829, 906, 1359, 1510, 1620, 1658, 1812, 2265, 2487, 2718, 3020, 3316, 4077, 4145, 4530, 4974, 5436, 6795, 7461, 8154, 8290, 9060, 9948, 12231, 12435, 13590, 14922, 16308, 16580, 20385, 22383, 24462, 24870, 27180, 29844, 37305, 40770, 44766, 48924, 49740, 61155, 67149, 74610, 81540, 89532, 111915, 122310, 125179, 134298, 149220, 223830, 244620, 250358, 268596, 335745, 375537, 447660, 500716, 625895, 671490, 751074, 1126611, 1251790, 1342980, 1502148, 1877685, 2253222, 2503580, 3379833, 3755370, 4506444, 5633055, 6759666, 7510740, 10139499, 11266110, 13519332, 16899165, 20278998, 22532220, 33798330, 40557996, 50697495, 67596660, 101394990, 202789980]

約数ペア:

[(1, 202789980), (2, 101394990), (3, 67596660), (4, 50697495), (5, 40557996), (6, 33798330), (9, 22532220), (10, 20278998), (12, 16899165), (15, 13519332), (18, 11266110), (20, 10139499), (27, 7510740), (30, 6759666), (36, 5633055), (45, 4506444), (54, 3755370), (60, 3379833), (81, 2503580), (90, 2253222), (108, 1877685), (135, 1502148), (151, 1342980), (162, 1251790), (180, 1126611), (270, 751074), (302, 671490), (324, 625895), (405, 500716), (453, 447660), (540, 375537), (604, 335745), (755, 268596), (810, 250358), (829, 244620), (906, 223830), (1359, 149220), (1510, 134298), (1620, 125179), (1658, 122310), (1812, 111915), (2265, 89532), (2487, 81540), (2718, 74610), (3020, 67149), (3316, 61155), (4077, 49740), (4145, 48924), (4530, 44766), (4974, 40770), (5436, 37305), (6795, 29844), (7461, 27180), (8154, 24870), (8290, 24462), (9060, 22383), (9948, 20385), (12231, 16580), (12435, 16308), (13590, 14922)]