280819620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 904088640

約数和(自身を除く): 623269020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 157, 171, 180, 190, 228, 285, 314, 342, 380, 471, 523, 570, 628, 684, 785, 855, 942, 1046, 1140, 1413, 1569, 1570, 1710, 1884, 2092, 2355, 2615, 2826, 2983, 3138, 3140, 3420, 4707, 4710, 5230, 5652, 5966, 6276, 7065, 7845, 8949, 9414, 9420, 9937, 10460, 11932, 14130, 14915, 15690, 17898, 18828, 19874, 23535, 26847, 28260, 29811, 29830, 31380, 35796, 39748, 44745, 47070, 49685, 53694, 59622, 59660, 82111, 89433, 89490, 94140, 99370, 107388, 119244, 134235, 149055, 164222, 178866, 178980, 198740, 246333, 268470, 298110, 328444, 357732, 410555, 447165, 492666, 536940, 596220, 738999, 821110, 894330, 985332, 1231665, 1477998, 1560109, 1642220, 1788660, 2463330, 2955996, 3120218, 3694995, 4680327, 4926660, 6240436, 7389990, 7800545, 9360654, 14040981, 14779980, 15601090, 18721308, 23401635, 28081962, 31202180, 46803270, 56163924, 70204905, 93606540, 140409810, 280819620]

約数ペア:

[(1, 280819620), (2, 140409810), (3, 93606540), (4, 70204905), (5, 56163924), (6, 46803270), (9, 31202180), (10, 28081962), (12, 23401635), (15, 18721308), (18, 15601090), (19, 14779980), (20, 14040981), (30, 9360654), (36, 7800545), (38, 7389990), (45, 6240436), (57, 4926660), (60, 4680327), (76, 3694995), (90, 3120218), (95, 2955996), (114, 2463330), (157, 1788660), (171, 1642220), (180, 1560109), (190, 1477998), (228, 1231665), (285, 985332), (314, 894330), (342, 821110), (380, 738999), (471, 596220), (523, 536940), (570, 492666), (628, 447165), (684, 410555), (785, 357732), (855, 328444), (942, 298110), (1046, 268470), (1140, 246333), (1413, 198740), (1569, 178980), (1570, 178866), (1710, 164222), (1884, 149055), (2092, 134235), (2355, 119244), (2615, 107388), (2826, 99370), (2983, 94140), (3138, 89490), (3140, 89433), (3420, 82111), (4707, 59660), (4710, 59622), (5230, 53694), (5652, 49685), (5966, 47070), (6276, 44745), (7065, 39748), (7845, 35796), (8949, 31380), (9414, 29830), (9420, 29811), (9937, 28260), (10460, 26847), (11932, 23535), (14130, 19874), (14915, 18828), (15690, 17898)]