20283120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 80432352

約数和(自身を除く): 60149232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 197, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 360, 390, 394, 396, 429, 440, 468, 495, 520, 528, 572, 585, 591, 624, 660, 715, 720, 780, 788, 792, 858, 880, 936, 985, 990, 1040, 1144, 1170, 1182, 1287, 1320, 1430, 1560, 1576, 1584, 1716, 1773, 1872, 1970, 1980, 2145, 2167, 2288, 2340, 2364, 2561, 2574, 2640, 2860, 2955, 3120, 3152, 3432, 3546, 3940, 3960, 4290, 4334, 4680, 4728, 5122, 5148, 5720, 5910, 6435, 6501, 6864, 7092, 7683, 7880, 7920, 8580, 8668, 8865, 9360, 9456, 10244, 10296, 10835, 11440, 11820, 12805, 12870, 13002, 14184, 15366, 15760, 17160, 17336, 17730, 19503, 20488, 20592, 21670, 23049, 23640, 25610, 25740, 26004, 28171, 28368, 30732, 32505, 34320, 34672, 35460, 38415, 39006, 40976, 43340, 46098, 47280, 51220, 51480, 52008, 56342, 61464, 65010, 70920, 76830, 78012, 84513, 86680, 92196, 97515, 102440, 102960, 104016, 112684, 115245, 122928, 130020, 140855, 141840, 153660, 156024, 169026, 173360, 184392, 195030, 204880, 225368, 230490, 253539, 260040, 281710, 307320, 312048, 338052, 368784, 390060, 422565, 450736, 460980, 507078, 520080, 563420, 614640, 676104, 780120, 845130, 921960, 1014156, 1126840, 1267695, 1352208, 1560240, 1690260, 1843920, 2028312, 2253680, 2535390, 3380520, 4056624, 5070780, 6761040, 10141560, 20283120]

約数ペア:

[(1, 20283120), (2, 10141560), (3, 6761040), (4, 5070780), (5, 4056624), (6, 3380520), (8, 2535390), (9, 2253680), (10, 2028312), (11, 1843920), (12, 1690260), (13, 1560240), (15, 1352208), (16, 1267695), (18, 1126840), (20, 1014156), (22, 921960), (24, 845130), (26, 780120), (30, 676104), (33, 614640), (36, 563420), (39, 520080), (40, 507078), (44, 460980), (45, 450736), (48, 422565), (52, 390060), (55, 368784), (60, 338052), (65, 312048), (66, 307320), (72, 281710), (78, 260040), (80, 253539), (88, 230490), (90, 225368), (99, 204880), (104, 195030), (110, 184392), (117, 173360), (120, 169026), (130, 156024), (132, 153660), (143, 141840), (144, 140855), (156, 130020), (165, 122928), (176, 115245), (180, 112684), (195, 104016), (197, 102960), (198, 102440), (208, 97515), (220, 92196), (234, 86680), (240, 84513), (260, 78012), (264, 76830), (286, 70920), (312, 65010), (330, 61464), (360, 56342), (390, 52008), (394, 51480), (396, 51220), (429, 47280), (440, 46098), (468, 43340), (495, 40976), (520, 39006), (528, 38415), (572, 35460), (585, 34672), (591, 34320), (624, 32505), (660, 30732), (715, 28368), (720, 28171), (780, 26004), (788, 25740), (792, 25610), (858, 23640), (880, 23049), (936, 21670), (985, 20592), (990, 20488), (1040, 19503), (1144, 17730), (1170, 17336), (1182, 17160), (1287, 15760), (1320, 15366), (1430, 14184), (1560, 13002), (1576, 12870), (1584, 12805), (1716, 11820), (1773, 11440), (1872, 10835), (1970, 10296), (1980, 10244), (2145, 9456), (2167, 9360), (2288, 8865), (2340, 8668), (2364, 8580), (2561, 7920), (2574, 7880), (2640, 7683), (2860, 7092), (2955, 6864), (3120, 6501), (3152, 6435), (3432, 5910), (3546, 5720), (3940, 5148), (3960, 5122), (4290, 4728), (4334, 4680)]