90280260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:682

約数の個数: 144

約数和(自身を含む): 315858816

約数和(自身を除く): 225578556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 137, 140, 180, 210, 252, 274, 315, 411, 420, 523, 548, 630, 685, 822, 959, 1046, 1233, 1260, 1370, 1569, 1644, 1918, 2055, 2092, 2466, 2615, 2740, 2877, 3138, 3661, 3836, 4110, 4707, 4795, 4932, 5230, 5754, 6165, 6276, 7322, 7845, 8220, 8631, 9414, 9590, 10460, 10983, 11508, 12330, 14385, 14644, 15690, 17262, 18305, 18828, 19180, 21966, 23535, 24660, 28770, 31380, 32949, 34524, 36610, 43155, 43932, 47070, 54915, 57540, 65898, 71651, 73220, 86310, 94140, 109830, 131796, 143302, 164745, 172620, 214953, 219660, 286604, 329490, 358255, 429906, 501557, 644859, 658980, 716510, 859812, 1003114, 1074765, 1289718, 1433020, 1504671, 2006228, 2149530, 2507785, 2579436, 3009342, 3224295, 4299060, 4514013, 5015570, 6018684, 6448590, 7523355, 9028026, 10031140, 12897180, 15046710, 18056052, 22570065, 30093420, 45140130, 90280260]

約数ペア:

[(1, 90280260), (2, 45140130), (3, 30093420), (4, 22570065), (5, 18056052), (6, 15046710), (7, 12897180), (9, 10031140), (10, 9028026), (12, 7523355), (14, 6448590), (15, 6018684), (18, 5015570), (20, 4514013), (21, 4299060), (28, 3224295), (30, 3009342), (35, 2579436), (36, 2507785), (42, 2149530), (45, 2006228), (60, 1504671), (63, 1433020), (70, 1289718), (84, 1074765), (90, 1003114), (105, 859812), (126, 716510), (137, 658980), (140, 644859), (180, 501557), (210, 429906), (252, 358255), (274, 329490), (315, 286604), (411, 219660), (420, 214953), (523, 172620), (548, 164745), (630, 143302), (685, 131796), (822, 109830), (959, 94140), (1046, 86310), (1233, 73220), (1260, 71651), (1370, 65898), (1569, 57540), (1644, 54915), (1918, 47070), (2055, 43932), (2092, 43155), (2466, 36610), (2615, 34524), (2740, 32949), (2877, 31380), (3138, 28770), (3661, 24660), (3836, 23535), (4110, 21966), (4707, 19180), (4795, 18828), (4932, 18305), (5230, 17262), (5754, 15690), (6165, 14644), (6276, 14385), (7322, 12330), (7845, 11508), (8220, 10983), (8631, 10460), (9414, 9590)]