255532140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74717}}^1$

素因数の和:74751

約数の個数: 72

約数和(自身を含む): 815920560

約数和(自身を除く): 560388420

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, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 74717, 149434, 224151, 298868, 373585, 448302, 672453, 747170, 896604, 1120755, 1344906, 1419623, 1494340, 2241510, 2689812, 2839246, 3362265, 4258869, 4483020, 5678492, 6724530, 7098115, 8517738, 12776607, 13449060, 14196230, 17035476, 21294345, 25553214, 28392460, 42588690, 51106428, 63883035, 85177380, 127766070, 255532140]

約数ペア:

[(1, 255532140), (2, 127766070), (3, 85177380), (4, 63883035), (5, 51106428), (6, 42588690), (9, 28392460), (10, 25553214), (12, 21294345), (15, 17035476), (18, 14196230), (19, 13449060), (20, 12776607), (30, 8517738), (36, 7098115), (38, 6724530), (45, 5678492), (57, 4483020), (60, 4258869), (76, 3362265), (90, 2839246), (95, 2689812), (114, 2241510), (171, 1494340), (180, 1419623), (190, 1344906), (228, 1120755), (285, 896604), (342, 747170), (380, 672453), (570, 448302), (684, 373585), (855, 298868), (1140, 224151), (1710, 149434), (3420, 74717)]