20403950280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{4861}}^1$

素因数の和:5164

約数の個数: 256

約数和(自身を含む): 73933516800

約数和(自身を除く): 53529566520

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, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 263, 266, 280, 285, 380, 399, 420, 456, 526, 532, 570, 665, 760, 789, 798, 840, 1052, 1064, 1140, 1315, 1330, 1578, 1596, 1841, 1995, 2104, 2280, 2630, 2660, 3156, 3192, 3682, 3945, 3990, 4861, 4997, 5260, 5320, 5523, 6312, 7364, 7890, 7980, 9205, 9722, 9994, 10520, 11046, 14583, 14728, 14991, 15780, 15960, 18410, 19444, 19988, 22092, 24305, 24985, 27615, 29166, 29982, 31560, 34027, 34979, 36820, 38888, 39976, 44184, 48610, 49970, 55230, 58332, 59964, 68054, 69958, 72915, 73640, 74955, 92359, 97220, 99940, 102081, 104937, 110460, 116664, 119928, 136108, 139916, 145830, 149910, 170135, 174895, 184718, 194440, 199880, 204162, 209874, 220920, 272216, 277077, 279832, 291660, 299820, 340270, 349790, 369436, 408324, 419748, 461795, 510405, 524685, 554154, 583320, 599640, 646513, 680540, 699580, 738872, 816648, 839496, 923590, 1020810, 1049370, 1108308, 1278443, 1293026, 1361080, 1385385, 1399160, 1847180, 1939539, 2041620, 2098740, 2216616, 2556886, 2586052, 2770770, 3232565, 3694360, 3835329, 3879078, 4083240, 4197480, 5113772, 5172104, 5541540, 6392215, 6465130, 7670658, 7758156, 8949101, 9697695, 10227544, 11083080, 12784430, 12930260, 15341316, 15516312, 17898202, 19176645, 19395390, 24290417, 25568860, 25860520, 26847303, 30682632, 35796404, 38353290, 38790780, 44745505, 48580834, 51137720, 53694606, 71592808, 72871251, 76706580, 77581560, 89491010, 97161668, 107389212, 121452085, 134236515, 145742502, 153413160, 170032919, 178982020, 194323336, 214778424, 242904170, 268473030, 291485004, 340065838, 357964040, 364356255, 485808340, 510098757, 536946060, 582970008, 680131676, 728712510, 850164595, 971616680, 1020197514, 1073892120, 1360263352, 1457425020, 1700329190, 2040395028, 2550493785, 2914850040, 3400658380, 4080790056, 5100987570, 6801316760, 10201975140, 20403950280]

約数ペア:

[(1, 20403950280), (2, 10201975140), (3, 6801316760), (4, 5100987570), (5, 4080790056), (6, 3400658380), (7, 2914850040), (8, 2550493785), (10, 2040395028), (12, 1700329190), (14, 1457425020), (15, 1360263352), (19, 1073892120), (20, 1020197514), (21, 971616680), (24, 850164595), (28, 728712510), (30, 680131676), (35, 582970008), (38, 536946060), (40, 510098757), (42, 485808340), (56, 364356255), (57, 357964040), (60, 340065838), (70, 291485004), (76, 268473030), (84, 242904170), (95, 214778424), (105, 194323336), (114, 178982020), (120, 170032919), (133, 153413160), (140, 145742502), (152, 134236515), (168, 121452085), (190, 107389212), (210, 97161668), (228, 89491010), (263, 77581560), (266, 76706580), (280, 72871251), (285, 71592808), (380, 53694606), (399, 51137720), (420, 48580834), (456, 44745505), (526, 38790780), (532, 38353290), (570, 35796404), (665, 30682632), (760, 26847303), (789, 25860520), (798, 25568860), (840, 24290417), (1052, 19395390), (1064, 19176645), (1140, 17898202), (1315, 15516312), (1330, 15341316), (1578, 12930260), (1596, 12784430), (1841, 11083080), (1995, 10227544), (2104, 9697695), (2280, 8949101), (2630, 7758156), (2660, 7670658), (3156, 6465130), (3192, 6392215), (3682, 5541540), (3945, 5172104), (3990, 5113772), (4861, 4197480), (4997, 4083240), (5260, 3879078), (5320, 3835329), (5523, 3694360), (6312, 3232565), (7364, 2770770), (7890, 2586052), (7980, 2556886), (9205, 2216616), (9722, 2098740), (9994, 2041620), (10520, 1939539), (11046, 1847180), (14583, 1399160), (14728, 1385385), (14991, 1361080), (15780, 1293026), (15960, 1278443), (18410, 1108308), (19444, 1049370), (19988, 1020810), (22092, 923590), (24305, 839496), (24985, 816648), (27615, 738872), (29166, 699580), (29982, 680540), (31560, 646513), (34027, 599640), (34979, 583320), (36820, 554154), (38888, 524685), (39976, 510405), (44184, 461795), (48610, 419748), (49970, 408324), (55230, 369436), (58332, 349790), (59964, 340270), (68054, 299820), (69958, 291660), (72915, 279832), (73640, 277077), (74955, 272216), (92359, 220920), (97220, 209874), (99940, 204162), (102081, 199880), (104937, 194440), (110460, 184718), (116664, 174895), (119928, 170135), (136108, 149910), (139916, 145830)]