1277118540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{857}}^1$

素因数の和:1376

約数の個数: 144

約数和(自身を含む): 4115022912

約数和(自身を除く): 2837904372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 487, 510, 612, 765, 857, 974, 1020, 1461, 1530, 1714, 1948, 2435, 2571, 2922, 3060, 3428, 4285, 4383, 4870, 5142, 5844, 7305, 7713, 8279, 8570, 8766, 9740, 10284, 12855, 14569, 14610, 15426, 16558, 17140, 17532, 21915, 24837, 25710, 29138, 29220, 30852, 33116, 38565, 41395, 43707, 43830, 49674, 51420, 58276, 72845, 74511, 77130, 82790, 87414, 87660, 99348, 124185, 131121, 145690, 149022, 154260, 165580, 174828, 218535, 248370, 262242, 291380, 298044, 372555, 417359, 437070, 496740, 524484, 655605, 745110, 834718, 874140, 1252077, 1311210, 1490220, 1669436, 2086795, 2504154, 2622420, 3756231, 4173590, 5008308, 6260385, 7095103, 7512462, 8347180, 12520770, 14190206, 15024924, 18781155, 21285309, 25041540, 28380412, 35475515, 37562310, 42570618, 63855927, 70951030, 75124620, 85141236, 106426545, 127711854, 141902060, 212853090, 255423708, 319279635, 425706180, 638559270, 1277118540]

約数ペア:

[(1, 1277118540), (2, 638559270), (3, 425706180), (4, 319279635), (5, 255423708), (6, 212853090), (9, 141902060), (10, 127711854), (12, 106426545), (15, 85141236), (17, 75124620), (18, 70951030), (20, 63855927), (30, 42570618), (34, 37562310), (36, 35475515), (45, 28380412), (51, 25041540), (60, 21285309), (68, 18781155), (85, 15024924), (90, 14190206), (102, 12520770), (153, 8347180), (170, 7512462), (180, 7095103), (204, 6260385), (255, 5008308), (306, 4173590), (340, 3756231), (487, 2622420), (510, 2504154), (612, 2086795), (765, 1669436), (857, 1490220), (974, 1311210), (1020, 1252077), (1461, 874140), (1530, 834718), (1714, 745110), (1948, 655605), (2435, 524484), (2571, 496740), (2922, 437070), (3060, 417359), (3428, 372555), (4285, 298044), (4383, 291380), (4870, 262242), (5142, 248370), (5844, 218535), (7305, 174828), (7713, 165580), (8279, 154260), (8570, 149022), (8766, 145690), (9740, 131121), (10284, 124185), (12855, 99348), (14569, 87660), (14610, 87414), (15426, 82790), (16558, 77130), (17140, 74511), (17532, 72845), (21915, 58276), (24837, 51420), (25710, 49674), (29138, 43830), (29220, 43707), (30852, 41395), (33116, 38565)]