19635840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{487}}^1$

素因数の和:519

約数の個数: 192

約数和(自身を含む): 77650560

約数和(自身を除く): 58014720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 487, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 974, 1008, 1120, 1152, 1260, 1344, 1440, 1461, 1680, 1920, 1948, 2016, 2240, 2435, 2520, 2688, 2880, 2922, 3360, 3409, 3896, 4032, 4383, 4480, 4870, 5040, 5760, 5844, 6720, 6818, 7305, 7792, 8064, 8766, 9740, 10080, 10227, 11688, 13440, 13636, 14610, 15584, 17045, 17532, 19480, 20160, 20454, 21915, 23376, 27272, 29220, 30681, 31168, 34090, 35064, 38960, 40320, 40908, 43830, 46752, 51135, 54544, 58440, 61362, 62336, 68180, 70128, 77920, 81816, 87660, 93504, 102270, 109088, 116880, 122724, 136360, 140256, 153405, 155840, 163632, 175320, 187008, 204540, 218176, 233760, 245448, 272720, 280512, 306810, 311680, 327264, 350640, 409080, 436352, 467520, 490896, 545440, 561024, 613620, 654528, 701280, 818160, 935040, 981792, 1090880, 1227240, 1309056, 1402560, 1636320, 1963584, 2181760, 2454480, 2805120, 3272640, 3927168, 4908960, 6545280, 9817920, 19635840]

約数ペア:

[(1, 19635840), (2, 9817920), (3, 6545280), (4, 4908960), (5, 3927168), (6, 3272640), (7, 2805120), (8, 2454480), (9, 2181760), (10, 1963584), (12, 1636320), (14, 1402560), (15, 1309056), (16, 1227240), (18, 1090880), (20, 981792), (21, 935040), (24, 818160), (28, 701280), (30, 654528), (32, 613620), (35, 561024), (36, 545440), (40, 490896), (42, 467520), (45, 436352), (48, 409080), (56, 350640), (60, 327264), (63, 311680), (64, 306810), (70, 280512), (72, 272720), (80, 245448), (84, 233760), (90, 218176), (96, 204540), (105, 187008), (112, 175320), (120, 163632), (126, 155840), (128, 153405), (140, 140256), (144, 136360), (160, 122724), (168, 116880), (180, 109088), (192, 102270), (210, 93504), (224, 87660), (240, 81816), (252, 77920), (280, 70128), (288, 68180), (315, 62336), (320, 61362), (336, 58440), (360, 54544), (384, 51135), (420, 46752), (448, 43830), (480, 40908), (487, 40320), (504, 38960), (560, 35064), (576, 34090), (630, 31168), (640, 30681), (672, 29220), (720, 27272), (840, 23376), (896, 21915), (960, 20454), (974, 20160), (1008, 19480), (1120, 17532), (1152, 17045), (1260, 15584), (1344, 14610), (1440, 13636), (1461, 13440), (1680, 11688), (1920, 10227), (1948, 10080), (2016, 9740), (2240, 8766), (2435, 8064), (2520, 7792), (2688, 7305), (2880, 6818), (2922, 6720), (3360, 5844), (3409, 5760), (3896, 5040), (4032, 4870), (4383, 4480)]