31627980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 101818080

約数和(自身を除く): 70190100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 73, 83, 87, 90, 116, 145, 146, 166, 174, 180, 219, 249, 261, 290, 292, 332, 348, 365, 415, 435, 438, 498, 522, 580, 657, 730, 747, 830, 870, 876, 996, 1044, 1095, 1245, 1305, 1314, 1460, 1494, 1660, 1740, 2117, 2190, 2407, 2490, 2610, 2628, 2988, 3285, 3735, 4234, 4380, 4814, 4980, 5220, 6059, 6351, 6570, 7221, 7470, 8468, 9628, 10585, 12035, 12118, 12702, 13140, 14442, 14940, 18177, 19053, 21170, 21663, 24070, 24236, 25404, 28884, 30295, 31755, 36105, 36354, 38106, 42340, 43326, 48140, 54531, 60590, 63510, 72210, 72708, 76212, 86652, 90885, 95265, 108315, 109062, 121180, 127020, 144420, 175711, 181770, 190530, 216630, 218124, 272655, 351422, 363540, 381060, 433260, 527133, 545310, 702844, 878555, 1054266, 1090620, 1581399, 1757110, 2108532, 2635665, 3162798, 3514220, 5271330, 6325596, 7906995, 10542660, 15813990, 31627980]

約数ペア:

[(1, 31627980), (2, 15813990), (3, 10542660), (4, 7906995), (5, 6325596), (6, 5271330), (9, 3514220), (10, 3162798), (12, 2635665), (15, 2108532), (18, 1757110), (20, 1581399), (29, 1090620), (30, 1054266), (36, 878555), (45, 702844), (58, 545310), (60, 527133), (73, 433260), (83, 381060), (87, 363540), (90, 351422), (116, 272655), (145, 218124), (146, 216630), (166, 190530), (174, 181770), (180, 175711), (219, 144420), (249, 127020), (261, 121180), (290, 109062), (292, 108315), (332, 95265), (348, 90885), (365, 86652), (415, 76212), (435, 72708), (438, 72210), (498, 63510), (522, 60590), (580, 54531), (657, 48140), (730, 43326), (747, 42340), (830, 38106), (870, 36354), (876, 36105), (996, 31755), (1044, 30295), (1095, 28884), (1245, 25404), (1305, 24236), (1314, 24070), (1460, 21663), (1494, 21170), (1660, 19053), (1740, 18177), (2117, 14940), (2190, 14442), (2407, 13140), (2490, 12702), (2610, 12118), (2628, 12035), (2988, 10585), (3285, 9628), (3735, 8468), (4234, 7470), (4380, 7221), (4814, 6570), (4980, 6351), (5220, 6059)]