78546380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 202777344

約数和(自身を除く): 124230964

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 43, 44, 46, 55, 76, 86, 92, 95, 110, 115, 172, 190, 209, 215, 220, 230, 253, 361, 380, 418, 430, 437, 460, 473, 506, 722, 817, 836, 860, 874, 946, 989, 1012, 1045, 1265, 1444, 1634, 1748, 1805, 1892, 1978, 2090, 2185, 2365, 2530, 3268, 3610, 3956, 3971, 4085, 4180, 4370, 4730, 4807, 4945, 5060, 7220, 7942, 8170, 8303, 8740, 8987, 9460, 9614, 9890, 10879, 15523, 15884, 16340, 16606, 17974, 18791, 19228, 19780, 19855, 21758, 24035, 31046, 33212, 35948, 37582, 39710, 41515, 43516, 44935, 48070, 54395, 62092, 75164, 77615, 79420, 83030, 89870, 91333, 93955, 96140, 108790, 155230, 166060, 170753, 179740, 182666, 187910, 206701, 217580, 310460, 341506, 357029, 365332, 375820, 413402, 456665, 683012, 714058, 826804, 853765, 913330, 1033505, 1428116, 1707530, 1785145, 1826660, 2067010, 3415060, 3570290, 3927319, 4134020, 7140580, 7854638, 15709276, 19636595, 39273190, 78546380]

約数ペア:

[(1, 78546380), (2, 39273190), (4, 19636595), (5, 15709276), (10, 7854638), (11, 7140580), (19, 4134020), (20, 3927319), (22, 3570290), (23, 3415060), (38, 2067010), (43, 1826660), (44, 1785145), (46, 1707530), (55, 1428116), (76, 1033505), (86, 913330), (92, 853765), (95, 826804), (110, 714058), (115, 683012), (172, 456665), (190, 413402), (209, 375820), (215, 365332), (220, 357029), (230, 341506), (253, 310460), (361, 217580), (380, 206701), (418, 187910), (430, 182666), (437, 179740), (460, 170753), (473, 166060), (506, 155230), (722, 108790), (817, 96140), (836, 93955), (860, 91333), (874, 89870), (946, 83030), (989, 79420), (1012, 77615), (1045, 75164), (1265, 62092), (1444, 54395), (1634, 48070), (1748, 44935), (1805, 43516), (1892, 41515), (1978, 39710), (2090, 37582), (2185, 35948), (2365, 33212), (2530, 31046), (3268, 24035), (3610, 21758), (3956, 19855), (3971, 19780), (4085, 19228), (4180, 18791), (4370, 17974), (4730, 16606), (4807, 16340), (4945, 15884), (5060, 15523), (7220, 10879), (7942, 9890), (8170, 9614), (8303, 9460), (8740, 8987)]