978938520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:862

約数の個数: 256

約数和(自身を含む): 3580416000

約数和(自身を除く): 2601477480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 83, 84, 95, 105, 114, 120, 133, 140, 152, 166, 168, 190, 210, 228, 249, 266, 280, 285, 332, 380, 399, 415, 420, 456, 498, 532, 570, 581, 664, 665, 739, 760, 798, 830, 840, 996, 1064, 1140, 1162, 1245, 1330, 1478, 1577, 1596, 1660, 1743, 1992, 1995, 2217, 2280, 2324, 2490, 2660, 2905, 2956, 3154, 3192, 3320, 3486, 3695, 3990, 4434, 4648, 4731, 4980, 5173, 5320, 5810, 5912, 6308, 6972, 7390, 7885, 7980, 8715, 8868, 9462, 9960, 10346, 11039, 11085, 11620, 12616, 13944, 14041, 14780, 15519, 15770, 15960, 17430, 17736, 18924, 20692, 22078, 22170, 23240, 23655, 25865, 28082, 29560, 31038, 31540, 33117, 34860, 37848, 41384, 42123, 44156, 44340, 47310, 51730, 55195, 56164, 61337, 62076, 63080, 66234, 69720, 70205, 77595, 84246, 88312, 88680, 94620, 98287, 103460, 110390, 112328, 122674, 124152, 132468, 140410, 155190, 165585, 168492, 184011, 189240, 196574, 206920, 210615, 220780, 245348, 264936, 280820, 294861, 306685, 310380, 331170, 336984, 368022, 393148, 421230, 429359, 441560, 490696, 491435, 561640, 589722, 613370, 620760, 662340, 736044, 786296, 842460, 858718, 920055, 982870, 1165403, 1179444, 1226740, 1288077, 1324680, 1472088, 1474305, 1684920, 1717436, 1840110, 1965740, 2146795, 2330806, 2358888, 2453480, 2576154, 2948610, 3434872, 3496209, 3680220, 3931480, 4293590, 4661612, 5152308, 5827015, 5897220, 6440385, 6992418, 7360440, 8157821, 8587180, 9323224, 10304616, 11654030, 11794440, 12880770, 13984836, 16315642, 17174360, 17481045, 23308060, 24473463, 25761540, 27969672, 32631284, 34962090, 40789105, 46616120, 48946926, 51523080, 65262568, 69924180, 81578210, 97893852, 122367315, 139848360, 163156420, 195787704, 244734630, 326312840, 489469260, 978938520]

約数ペア:

[(1, 978938520), (2, 489469260), (3, 326312840), (4, 244734630), (5, 195787704), (6, 163156420), (7, 139848360), (8, 122367315), (10, 97893852), (12, 81578210), (14, 69924180), (15, 65262568), (19, 51523080), (20, 48946926), (21, 46616120), (24, 40789105), (28, 34962090), (30, 32631284), (35, 27969672), (38, 25761540), (40, 24473463), (42, 23308060), (56, 17481045), (57, 17174360), (60, 16315642), (70, 13984836), (76, 12880770), (83, 11794440), (84, 11654030), (95, 10304616), (105, 9323224), (114, 8587180), (120, 8157821), (133, 7360440), (140, 6992418), (152, 6440385), (166, 5897220), (168, 5827015), (190, 5152308), (210, 4661612), (228, 4293590), (249, 3931480), (266, 3680220), (280, 3496209), (285, 3434872), (332, 2948610), (380, 2576154), (399, 2453480), (415, 2358888), (420, 2330806), (456, 2146795), (498, 1965740), (532, 1840110), (570, 1717436), (581, 1684920), (664, 1474305), (665, 1472088), (739, 1324680), (760, 1288077), (798, 1226740), (830, 1179444), (840, 1165403), (996, 982870), (1064, 920055), (1140, 858718), (1162, 842460), (1245, 786296), (1330, 736044), (1478, 662340), (1577, 620760), (1596, 613370), (1660, 589722), (1743, 561640), (1992, 491435), (1995, 490696), (2217, 441560), (2280, 429359), (2324, 421230), (2490, 393148), (2660, 368022), (2905, 336984), (2956, 331170), (3154, 310380), (3192, 306685), (3320, 294861), (3486, 280820), (3695, 264936), (3990, 245348), (4434, 220780), (4648, 210615), (4731, 206920), (4980, 196574), (5173, 189240), (5320, 184011), (5810, 168492), (5912, 165585), (6308, 155190), (6972, 140410), (7390, 132468), (7885, 124152), (7980, 122674), (8715, 112328), (8868, 110390), (9462, 103460), (9960, 98287), (10346, 94620), (11039, 88680), (11085, 88312), (11620, 84246), (12616, 77595), (13944, 70205), (14041, 69720), (14780, 66234), (15519, 63080), (15770, 62076), (15960, 61337), (17430, 56164), (17736, 55195), (18924, 51730), (20692, 47310), (22078, 44340), (22170, 44156), (23240, 42123), (23655, 41384), (25865, 37848), (28082, 34860), (29560, 33117), (31038, 31540)]