420028920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:726

約数の個数: 192

約数和(自身を含む): 1434551040

約数和(自身を除く): 1014522120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 61, 62, 72, 90, 93, 120, 122, 124, 155, 180, 183, 186, 244, 248, 279, 305, 310, 360, 366, 372, 465, 488, 549, 558, 610, 617, 620, 732, 744, 915, 930, 1098, 1116, 1220, 1234, 1240, 1395, 1464, 1830, 1851, 1860, 1891, 2196, 2232, 2440, 2468, 2745, 2790, 3085, 3660, 3702, 3720, 3782, 4392, 4936, 5490, 5553, 5580, 5673, 6170, 7320, 7404, 7564, 9255, 9455, 10980, 11106, 11160, 11346, 12340, 14808, 15128, 17019, 18510, 18910, 19127, 21960, 22212, 22692, 24680, 27765, 28365, 34038, 37020, 37637, 37820, 38254, 44424, 45384, 55530, 56730, 57381, 68076, 74040, 75274, 75640, 76508, 85095, 95635, 111060, 112911, 113460, 114762, 136152, 150548, 153016, 170190, 172143, 188185, 191270, 222120, 225822, 226920, 229524, 286905, 301096, 338733, 340380, 344286, 376370, 382540, 451644, 459048, 564555, 573810, 677466, 680760, 688572, 752740, 765080, 860715, 903288, 1129110, 1147620, 1166747, 1354932, 1377144, 1505480, 1693665, 1721430, 2258220, 2295240, 2333494, 2709864, 3387330, 3442860, 3500241, 4516440, 4666988, 5833735, 6774660, 6885720, 7000482, 9333976, 10500723, 11667470, 13549320, 14000964, 17501205, 21001446, 23334940, 28001928, 35002410, 42002892, 46669880, 52503615, 70004820, 84005784, 105007230, 140009640, 210014460, 420028920]

約数ペア:

[(1, 420028920), (2, 210014460), (3, 140009640), (4, 105007230), (5, 84005784), (6, 70004820), (8, 52503615), (9, 46669880), (10, 42002892), (12, 35002410), (15, 28001928), (18, 23334940), (20, 21001446), (24, 17501205), (30, 14000964), (31, 13549320), (36, 11667470), (40, 10500723), (45, 9333976), (60, 7000482), (61, 6885720), (62, 6774660), (72, 5833735), (90, 4666988), (93, 4516440), (120, 3500241), (122, 3442860), (124, 3387330), (155, 2709864), (180, 2333494), (183, 2295240), (186, 2258220), (244, 1721430), (248, 1693665), (279, 1505480), (305, 1377144), (310, 1354932), (360, 1166747), (366, 1147620), (372, 1129110), (465, 903288), (488, 860715), (549, 765080), (558, 752740), (610, 688572), (617, 680760), (620, 677466), (732, 573810), (744, 564555), (915, 459048), (930, 451644), (1098, 382540), (1116, 376370), (1220, 344286), (1234, 340380), (1240, 338733), (1395, 301096), (1464, 286905), (1830, 229524), (1851, 226920), (1860, 225822), (1891, 222120), (2196, 191270), (2232, 188185), (2440, 172143), (2468, 170190), (2745, 153016), (2790, 150548), (3085, 136152), (3660, 114762), (3702, 113460), (3720, 112911), (3782, 111060), (4392, 95635), (4936, 85095), (5490, 76508), (5553, 75640), (5580, 75274), (5673, 74040), (6170, 68076), (7320, 57381), (7404, 56730), (7564, 55530), (9255, 45384), (9455, 44424), (10980, 38254), (11106, 37820), (11160, 37637), (11346, 37020), (12340, 34038), (14808, 28365), (15128, 27765), (17019, 24680), (18510, 22692), (18910, 22212), (19127, 21960)]