28843980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 92504160

約数和(自身を除く): 63660180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 121, 132, 137, 145, 165, 174, 220, 242, 274, 290, 319, 330, 348, 363, 411, 435, 484, 548, 580, 605, 638, 660, 685, 726, 822, 870, 957, 1210, 1276, 1370, 1452, 1507, 1595, 1644, 1740, 1815, 1914, 2055, 2420, 2740, 3014, 3190, 3509, 3630, 3828, 3973, 4110, 4521, 4785, 6028, 6380, 7018, 7260, 7535, 7946, 8220, 9042, 9570, 10527, 11919, 14036, 15070, 15892, 16577, 17545, 18084, 19140, 19865, 21054, 22605, 23838, 30140, 33154, 35090, 39730, 42108, 43703, 45210, 47676, 49731, 52635, 59595, 66308, 70180, 79460, 82885, 87406, 90420, 99462, 105270, 119190, 131109, 165770, 174812, 198924, 210540, 218515, 238380, 248655, 262218, 331540, 437030, 480733, 497310, 524436, 655545, 874060, 961466, 994620, 1311090, 1442199, 1922932, 2403665, 2622180, 2884398, 4807330, 5768796, 7210995, 9614660, 14421990, 28843980]

約数ペア:

[(1, 28843980), (2, 14421990), (3, 9614660), (4, 7210995), (5, 5768796), (6, 4807330), (10, 2884398), (11, 2622180), (12, 2403665), (15, 1922932), (20, 1442199), (22, 1311090), (29, 994620), (30, 961466), (33, 874060), (44, 655545), (55, 524436), (58, 497310), (60, 480733), (66, 437030), (87, 331540), (110, 262218), (116, 248655), (121, 238380), (132, 218515), (137, 210540), (145, 198924), (165, 174812), (174, 165770), (220, 131109), (242, 119190), (274, 105270), (290, 99462), (319, 90420), (330, 87406), (348, 82885), (363, 79460), (411, 70180), (435, 66308), (484, 59595), (548, 52635), (580, 49731), (605, 47676), (638, 45210), (660, 43703), (685, 42108), (726, 39730), (822, 35090), (870, 33154), (957, 30140), (1210, 23838), (1276, 22605), (1370, 21054), (1452, 19865), (1507, 19140), (1595, 18084), (1644, 17545), (1740, 16577), (1815, 15892), (1914, 15070), (2055, 14036), (2420, 11919), (2740, 10527), (3014, 9570), (3190, 9042), (3509, 8220), (3630, 7946), (3828, 7535), (3973, 7260), (4110, 7018), (4521, 6380), (4785, 6028)]