1720590480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{701}}^1$

素因数の和:1214

約数の個数: 240

約数和(自身を含む): 6626790144

約数和(自身を除く): 4906199664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 487, 504, 560, 630, 701, 720, 840, 974, 1008, 1260, 1402, 1461, 1680, 1948, 2103, 2435, 2520, 2804, 2922, 3409, 3505, 3896, 4206, 4383, 4870, 4907, 5040, 5608, 5844, 6309, 6818, 7010, 7305, 7792, 8412, 8766, 9740, 9814, 10227, 10515, 11216, 11688, 12618, 13636, 14020, 14610, 14721, 16824, 17045, 17532, 19480, 19628, 20454, 21030, 21915, 23376, 24535, 25236, 27272, 28040, 29220, 29442, 30681, 31545, 33648, 34090, 35064, 38960, 39256, 40908, 42060, 43830, 44163, 49070, 50472, 51135, 54544, 56080, 58440, 58884, 61362, 63090, 68180, 70128, 73605, 78512, 81816, 84120, 87660, 88326, 98140, 100944, 102270, 116880, 117768, 122724, 126180, 136360, 147210, 153405, 163632, 168240, 175320, 176652, 196280, 204540, 220815, 235536, 245448, 252360, 272720, 294420, 306810, 341387, 350640, 353304, 392560, 409080, 441630, 490896, 504720, 588840, 613620, 682774, 706608, 818160, 883260, 1024161, 1177680, 1227240, 1365548, 1706935, 1766520, 2048322, 2389709, 2454480, 2731096, 3072483, 3413870, 3533040, 4096644, 4779418, 5120805, 5462192, 6144966, 6827740, 7169127, 8193288, 9558836, 10241610, 11948545, 12289932, 13655480, 14338254, 15362415, 16386576, 19117672, 20483220, 21507381, 23897090, 24579864, 27310960, 28676508, 30724830, 35845635, 38235344, 40966440, 43014762, 47794180, 49159728, 57353016, 61449660, 71691270, 81932880, 86029524, 95588360, 107536905, 114706032, 122899320, 143382540, 172059048, 191176720, 215073810, 245798640, 286765080, 344118096, 430147620, 573530160, 860295240, 1720590480]

約数ペア:

[(1, 1720590480), (2, 860295240), (3, 573530160), (4, 430147620), (5, 344118096), (6, 286765080), (7, 245798640), (8, 215073810), (9, 191176720), (10, 172059048), (12, 143382540), (14, 122899320), (15, 114706032), (16, 107536905), (18, 95588360), (20, 86029524), (21, 81932880), (24, 71691270), (28, 61449660), (30, 57353016), (35, 49159728), (36, 47794180), (40, 43014762), (42, 40966440), (45, 38235344), (48, 35845635), (56, 30724830), (60, 28676508), (63, 27310960), (70, 24579864), (72, 23897090), (80, 21507381), (84, 20483220), (90, 19117672), (105, 16386576), (112, 15362415), (120, 14338254), (126, 13655480), (140, 12289932), (144, 11948545), (168, 10241610), (180, 9558836), (210, 8193288), (240, 7169127), (252, 6827740), (280, 6144966), (315, 5462192), (336, 5120805), (360, 4779418), (420, 4096644), (487, 3533040), (504, 3413870), (560, 3072483), (630, 2731096), (701, 2454480), (720, 2389709), (840, 2048322), (974, 1766520), (1008, 1706935), (1260, 1365548), (1402, 1227240), (1461, 1177680), (1680, 1024161), (1948, 883260), (2103, 818160), (2435, 706608), (2520, 682774), (2804, 613620), (2922, 588840), (3409, 504720), (3505, 490896), (3896, 441630), (4206, 409080), (4383, 392560), (4870, 353304), (4907, 350640), (5040, 341387), (5608, 306810), (5844, 294420), (6309, 272720), (6818, 252360), (7010, 245448), (7305, 235536), (7792, 220815), (8412, 204540), (8766, 196280), (9740, 176652), (9814, 175320), (10227, 168240), (10515, 163632), (11216, 153405), (11688, 147210), (12618, 136360), (13636, 126180), (14020, 122724), (14610, 117768), (14721, 116880), (16824, 102270), (17045, 100944), (17532, 98140), (19480, 88326), (19628, 87660), (20454, 84120), (21030, 81816), (21915, 78512), (23376, 73605), (24535, 70128), (25236, 68180), (27272, 63090), (28040, 61362), (29220, 58884), (29442, 58440), (30681, 56080), (31545, 54544), (33648, 51135), (34090, 50472), (35064, 49070), (38960, 44163), (39256, 43830), (40908, 42060)]