620678520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22391}}^1$

素因数の和:22426

約数の個数: 192

約数和(自身を含む): 2515069440

約数和(自身を除く): 1894390920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2310, 2520, 2772, 3080, 3465, 3960, 4620, 5544, 6930, 9240, 13860, 22391, 27720, 44782, 67173, 89564, 111955, 134346, 156737, 179128, 201519, 223910, 246301, 268692, 313474, 335865, 403038, 447820, 470211, 492602, 537384, 626948, 671730, 738903, 783685, 806076, 895640, 940422, 985204, 1007595, 1231505, 1253896, 1343460, 1410633, 1477806, 1567370, 1612152, 1724107, 1880844, 1970408, 2015190, 2216709, 2351055, 2463010, 2686920, 2821266, 2955612, 3134740, 3448214, 3694515, 3761688, 4030380, 4433418, 4702110, 4926020, 5172321, 5642532, 5911224, 6269480, 6896428, 7053165, 7389030, 8060760, 8620535, 8866836, 9404220, 9852040, 10344642, 11083545, 11285064, 13792856, 14106330, 14778060, 15516963, 17241070, 17733672, 18808440, 20689284, 22167090, 25861605, 28212660, 29556120, 31033926, 34482140, 41378568, 44334180, 51723210, 56425320, 62067852, 68964280, 77584815, 88668360, 103446420, 124135704, 155169630, 206892840, 310339260, 620678520]

約数ペア:

[(1, 620678520), (2, 310339260), (3, 206892840), (4, 155169630), (5, 124135704), (6, 103446420), (7, 88668360), (8, 77584815), (9, 68964280), (10, 62067852), (11, 56425320), (12, 51723210), (14, 44334180), (15, 41378568), (18, 34482140), (20, 31033926), (21, 29556120), (22, 28212660), (24, 25861605), (28, 22167090), (30, 20689284), (33, 18808440), (35, 17733672), (36, 17241070), (40, 15516963), (42, 14778060), (44, 14106330), (45, 13792856), (55, 11285064), (56, 11083545), (60, 10344642), (63, 9852040), (66, 9404220), (70, 8866836), (72, 8620535), (77, 8060760), (84, 7389030), (88, 7053165), (90, 6896428), (99, 6269480), (105, 5911224), (110, 5642532), (120, 5172321), (126, 4926020), (132, 4702110), (140, 4433418), (154, 4030380), (165, 3761688), (168, 3694515), (180, 3448214), (198, 3134740), (210, 2955612), (220, 2821266), (231, 2686920), (252, 2463010), (264, 2351055), (280, 2216709), (308, 2015190), (315, 1970408), (330, 1880844), (360, 1724107), (385, 1612152), (396, 1567370), (420, 1477806), (440, 1410633), (462, 1343460), (495, 1253896), (504, 1231505), (616, 1007595), (630, 985204), (660, 940422), (693, 895640), (770, 806076), (792, 783685), (840, 738903), (924, 671730), (990, 626948), (1155, 537384), (1260, 492602), (1320, 470211), (1386, 447820), (1540, 403038), (1848, 335865), (1980, 313474), (2310, 268692), (2520, 246301), (2772, 223910), (3080, 201519), (3465, 179128), (3960, 156737), (4620, 134346), (5544, 111955), (6930, 89564), (9240, 67173), (13860, 44782), (22391, 27720)]