208782120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:907

約数の個数: 128

約数和(自身を含む): 654998400

約数和(自身を除く): 446216280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 59, 60, 74, 111, 118, 120, 148, 177, 185, 222, 236, 295, 296, 354, 370, 444, 472, 555, 590, 708, 740, 797, 885, 888, 1110, 1180, 1416, 1480, 1594, 1770, 2183, 2220, 2360, 2391, 3188, 3540, 3985, 4366, 4440, 4782, 6376, 6549, 7080, 7970, 8732, 9564, 10915, 11955, 13098, 15940, 17464, 19128, 21830, 23910, 26196, 29489, 31880, 32745, 43660, 47023, 47820, 52392, 58978, 65490, 87320, 88467, 94046, 95640, 117956, 130980, 141069, 147445, 176934, 188092, 235115, 235912, 261960, 282138, 294890, 353868, 376184, 442335, 470230, 564276, 589780, 705345, 707736, 884670, 940460, 1128552, 1179560, 1410690, 1739851, 1769340, 1880920, 2821380, 3479702, 3538680, 5219553, 5642760, 6959404, 8699255, 10439106, 13918808, 17398510, 20878212, 26097765, 34797020, 41756424, 52195530, 69594040, 104391060, 208782120]

約数ペア:

[(1, 208782120), (2, 104391060), (3, 69594040), (4, 52195530), (5, 41756424), (6, 34797020), (8, 26097765), (10, 20878212), (12, 17398510), (15, 13918808), (20, 10439106), (24, 8699255), (30, 6959404), (37, 5642760), (40, 5219553), (59, 3538680), (60, 3479702), (74, 2821380), (111, 1880920), (118, 1769340), (120, 1739851), (148, 1410690), (177, 1179560), (185, 1128552), (222, 940460), (236, 884670), (295, 707736), (296, 705345), (354, 589780), (370, 564276), (444, 470230), (472, 442335), (555, 376184), (590, 353868), (708, 294890), (740, 282138), (797, 261960), (885, 235912), (888, 235115), (1110, 188092), (1180, 176934), (1416, 147445), (1480, 141069), (1594, 130980), (1770, 117956), (2183, 95640), (2220, 94046), (2360, 88467), (2391, 87320), (3188, 65490), (3540, 58978), (3985, 52392), (4366, 47820), (4440, 47023), (4782, 43660), (6376, 32745), (6549, 31880), (7080, 29489), (7970, 26196), (8732, 23910), (9564, 21830), (10915, 19128), (11955, 17464), (13098, 15940)]