181023260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 457605120

約数和(自身を除く): 276581860

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 121, 124, 127, 155, 190, 209, 220, 242, 254, 310, 341, 380, 418, 484, 508, 589, 605, 620, 635, 682, 836, 1045, 1178, 1210, 1270, 1364, 1397, 1705, 2090, 2299, 2356, 2413, 2420, 2540, 2794, 2945, 3410, 3751, 3937, 4180, 4598, 4826, 5588, 5890, 6479, 6820, 6985, 7502, 7874, 9196, 9652, 11495, 11780, 12065, 12958, 13970, 15004, 15367, 15748, 18755, 19685, 22990, 24130, 25916, 26543, 27940, 30734, 32395, 37510, 39370, 43307, 45980, 48260, 53086, 61468, 64790, 71269, 74803, 75020, 76835, 78740, 86614, 106172, 129580, 132715, 142538, 149606, 153670, 173228, 216535, 265430, 285076, 291973, 299212, 307340, 356345, 374015, 433070, 476377, 530860, 583946, 712690, 748030, 822833, 866140, 952754, 1167892, 1425380, 1459865, 1496060, 1645666, 1905508, 2381885, 2919730, 3291332, 4114165, 4763770, 5839460, 8228330, 9051163, 9527540, 16456660, 18102326, 36204652, 45255815, 90511630, 181023260]

約数ペア:

[(1, 181023260), (2, 90511630), (4, 45255815), (5, 36204652), (10, 18102326), (11, 16456660), (19, 9527540), (20, 9051163), (22, 8228330), (31, 5839460), (38, 4763770), (44, 4114165), (55, 3291332), (62, 2919730), (76, 2381885), (95, 1905508), (110, 1645666), (121, 1496060), (124, 1459865), (127, 1425380), (155, 1167892), (190, 952754), (209, 866140), (220, 822833), (242, 748030), (254, 712690), (310, 583946), (341, 530860), (380, 476377), (418, 433070), (484, 374015), (508, 356345), (589, 307340), (605, 299212), (620, 291973), (635, 285076), (682, 265430), (836, 216535), (1045, 173228), (1178, 153670), (1210, 149606), (1270, 142538), (1364, 132715), (1397, 129580), (1705, 106172), (2090, 86614), (2299, 78740), (2356, 76835), (2413, 75020), (2420, 74803), (2540, 71269), (2794, 64790), (2945, 61468), (3410, 53086), (3751, 48260), (3937, 45980), (4180, 43307), (4598, 39370), (4826, 37510), (5588, 32395), (5890, 30734), (6479, 27940), (6820, 26543), (6985, 25916), (7502, 24130), (7874, 22990), (9196, 19685), (9652, 18755), (11495, 15748), (11780, 15367), (12065, 15004), (12958, 13970)]