420305220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:871

約数の個数: 192

約数和(自身を含む): 1397975040

約数和(自身を除く): 977669820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 43, 45, 46, 54, 60, 69, 86, 90, 92, 108, 115, 129, 135, 138, 172, 180, 207, 215, 230, 258, 270, 276, 345, 387, 414, 430, 460, 516, 540, 621, 645, 690, 774, 787, 828, 860, 989, 1035, 1161, 1242, 1290, 1380, 1548, 1574, 1935, 1978, 2070, 2322, 2361, 2484, 2580, 2967, 3105, 3148, 3870, 3935, 3956, 4140, 4644, 4722, 4945, 5805, 5934, 6210, 7083, 7740, 7870, 8901, 9444, 9890, 11610, 11805, 11868, 12420, 14166, 14835, 15740, 17802, 18101, 19780, 21249, 23220, 23610, 26703, 28332, 29670, 33841, 35415, 35604, 36202, 42498, 44505, 47220, 53406, 54303, 59340, 67682, 70830, 72404, 84996, 89010, 90505, 101523, 106245, 106812, 108606, 133515, 135364, 141660, 162909, 169205, 178020, 181010, 203046, 212490, 217212, 267030, 271515, 304569, 325818, 338410, 362020, 406092, 424980, 488727, 507615, 534060, 543030, 609138, 651636, 676820, 778343, 814545, 913707, 977454, 1015230, 1086060, 1218276, 1522845, 1556686, 1629090, 1827414, 1954908, 2030460, 2335029, 2443635, 3045690, 3113372, 3258180, 3654828, 3891715, 4568535, 4670058, 4887270, 6091380, 7005087, 7783430, 9137070, 9340116, 9774540, 11675145, 14010174, 15566860, 18274140, 21015261, 23350290, 28020348, 35025435, 42030522, 46700580, 70050870, 84061044, 105076305, 140101740, 210152610, 420305220]

約数ペア:

[(1, 420305220), (2, 210152610), (3, 140101740), (4, 105076305), (5, 84061044), (6, 70050870), (9, 46700580), (10, 42030522), (12, 35025435), (15, 28020348), (18, 23350290), (20, 21015261), (23, 18274140), (27, 15566860), (30, 14010174), (36, 11675145), (43, 9774540), (45, 9340116), (46, 9137070), (54, 7783430), (60, 7005087), (69, 6091380), (86, 4887270), (90, 4670058), (92, 4568535), (108, 3891715), (115, 3654828), (129, 3258180), (135, 3113372), (138, 3045690), (172, 2443635), (180, 2335029), (207, 2030460), (215, 1954908), (230, 1827414), (258, 1629090), (270, 1556686), (276, 1522845), (345, 1218276), (387, 1086060), (414, 1015230), (430, 977454), (460, 913707), (516, 814545), (540, 778343), (621, 676820), (645, 651636), (690, 609138), (774, 543030), (787, 534060), (828, 507615), (860, 488727), (989, 424980), (1035, 406092), (1161, 362020), (1242, 338410), (1290, 325818), (1380, 304569), (1548, 271515), (1574, 267030), (1935, 217212), (1978, 212490), (2070, 203046), (2322, 181010), (2361, 178020), (2484, 169205), (2580, 162909), (2967, 141660), (3105, 135364), (3148, 133515), (3870, 108606), (3935, 106812), (3956, 106245), (4140, 101523), (4644, 90505), (4722, 89010), (4945, 84996), (5805, 72404), (5934, 70830), (6210, 67682), (7083, 59340), (7740, 54303), (7870, 53406), (8901, 47220), (9444, 44505), (9890, 42498), (11610, 36202), (11805, 35604), (11868, 35415), (12420, 33841), (14166, 29670), (14835, 28332), (15740, 26703), (17802, 23610), (18101, 23220), (19780, 21249)]