68862920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 201588480

約数和(自身を除く): 132725560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 37, 40, 46, 56, 68, 70, 74, 85, 92, 115, 119, 136, 140, 148, 161, 170, 184, 185, 230, 238, 259, 280, 289, 296, 322, 340, 370, 391, 460, 476, 518, 578, 595, 629, 644, 680, 740, 782, 805, 851, 920, 952, 1036, 1156, 1190, 1258, 1288, 1295, 1445, 1480, 1564, 1610, 1702, 1955, 2023, 2072, 2312, 2380, 2516, 2590, 2737, 2890, 3128, 3145, 3220, 3404, 3910, 4046, 4255, 4403, 4760, 5032, 5180, 5474, 5780, 5957, 6290, 6440, 6647, 6808, 7820, 8092, 8510, 8806, 10115, 10360, 10693, 10948, 11560, 11914, 12580, 13294, 13685, 14467, 15640, 16184, 17020, 17612, 20230, 21386, 21896, 22015, 23828, 25160, 26588, 27370, 28934, 29785, 33235, 34040, 35224, 40460, 42772, 44030, 46529, 47656, 53176, 53465, 54740, 57868, 59570, 66470, 72335, 74851, 80920, 85544, 88060, 93058, 101269, 106930, 109480, 115736, 119140, 132940, 144670, 149702, 176120, 186116, 202538, 213860, 232645, 238280, 245939, 265880, 289340, 299404, 372232, 374255, 405076, 427720, 465290, 491878, 506345, 578680, 598808, 748510, 810152, 930580, 983756, 1012690, 1229695, 1497020, 1721573, 1861160, 1967512, 2025380, 2459390, 2994040, 3443146, 4050760, 4918780, 6886292, 8607865, 9837560, 13772584, 17215730, 34431460, 68862920]

約数ペア:

[(1, 68862920), (2, 34431460), (4, 17215730), (5, 13772584), (7, 9837560), (8, 8607865), (10, 6886292), (14, 4918780), (17, 4050760), (20, 3443146), (23, 2994040), (28, 2459390), (34, 2025380), (35, 1967512), (37, 1861160), (40, 1721573), (46, 1497020), (56, 1229695), (68, 1012690), (70, 983756), (74, 930580), (85, 810152), (92, 748510), (115, 598808), (119, 578680), (136, 506345), (140, 491878), (148, 465290), (161, 427720), (170, 405076), (184, 374255), (185, 372232), (230, 299404), (238, 289340), (259, 265880), (280, 245939), (289, 238280), (296, 232645), (322, 213860), (340, 202538), (370, 186116), (391, 176120), (460, 149702), (476, 144670), (518, 132940), (578, 119140), (595, 115736), (629, 109480), (644, 106930), (680, 101269), (740, 93058), (782, 88060), (805, 85544), (851, 80920), (920, 74851), (952, 72335), (1036, 66470), (1156, 59570), (1190, 57868), (1258, 54740), (1288, 53465), (1295, 53176), (1445, 47656), (1480, 46529), (1564, 44030), (1610, 42772), (1702, 40460), (1955, 35224), (2023, 34040), (2072, 33235), (2312, 29785), (2380, 28934), (2516, 27370), (2590, 26588), (2737, 25160), (2890, 23828), (3128, 22015), (3145, 21896), (3220, 21386), (3404, 20230), (3910, 17612), (4046, 17020), (4255, 16184), (4403, 15640), (4760, 14467), (5032, 13685), (5180, 13294), (5474, 12580), (5780, 11914), (5957, 11560), (6290, 10948), (6440, 10693), (6647, 10360), (6808, 10115), (7820, 8806), (8092, 8510)]