31012740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 110315520

約数和(自身を除く): 79302780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 90, 92, 99, 108, 110, 115, 132, 135, 138, 165, 180, 198, 207, 220, 227, 230, 253, 270, 276, 297, 330, 345, 396, 414, 454, 460, 495, 506, 540, 594, 621, 660, 681, 690, 759, 828, 908, 990, 1012, 1035, 1135, 1188, 1242, 1265, 1362, 1380, 1485, 1518, 1980, 2043, 2070, 2270, 2277, 2484, 2497, 2530, 2724, 2970, 3036, 3105, 3405, 3795, 4086, 4140, 4540, 4554, 4994, 5060, 5221, 5940, 6129, 6210, 6810, 6831, 7491, 7590, 8172, 9108, 9988, 10215, 10442, 11385, 12258, 12420, 12485, 13620, 13662, 14982, 15180, 15663, 20430, 20884, 22473, 22770, 24516, 24970, 26105, 27324, 29964, 30645, 31326, 34155, 37455, 40860, 44946, 45540, 46989, 49940, 52210, 57431, 61290, 62652, 67419, 68310, 74910, 78315, 89892, 93978, 104420, 112365, 114862, 122580, 134838, 136620, 140967, 149820, 156630, 172293, 187956, 224730, 229724, 234945, 269676, 281934, 287155, 313260, 337095, 344586, 449460, 469890, 516879, 563868, 574310, 674190, 689172, 704835, 861465, 939780, 1033758, 1148620, 1348380, 1409670, 1550637, 1722930, 2067516, 2584395, 2819340, 3101274, 3445860, 5168790, 6202548, 7753185, 10337580, 15506370, 31012740]

約数ペア:

[(1, 31012740), (2, 15506370), (3, 10337580), (4, 7753185), (5, 6202548), (6, 5168790), (9, 3445860), (10, 3101274), (11, 2819340), (12, 2584395), (15, 2067516), (18, 1722930), (20, 1550637), (22, 1409670), (23, 1348380), (27, 1148620), (30, 1033758), (33, 939780), (36, 861465), (44, 704835), (45, 689172), (46, 674190), (54, 574310), (55, 563868), (60, 516879), (66, 469890), (69, 449460), (90, 344586), (92, 337095), (99, 313260), (108, 287155), (110, 281934), (115, 269676), (132, 234945), (135, 229724), (138, 224730), (165, 187956), (180, 172293), (198, 156630), (207, 149820), (220, 140967), (227, 136620), (230, 134838), (253, 122580), (270, 114862), (276, 112365), (297, 104420), (330, 93978), (345, 89892), (396, 78315), (414, 74910), (454, 68310), (460, 67419), (495, 62652), (506, 61290), (540, 57431), (594, 52210), (621, 49940), (660, 46989), (681, 45540), (690, 44946), (759, 40860), (828, 37455), (908, 34155), (990, 31326), (1012, 30645), (1035, 29964), (1135, 27324), (1188, 26105), (1242, 24970), (1265, 24516), (1362, 22770), (1380, 22473), (1485, 20884), (1518, 20430), (1980, 15663), (2043, 15180), (2070, 14982), (2270, 13662), (2277, 13620), (2484, 12485), (2497, 12420), (2530, 12258), (2724, 11385), (2970, 10442), (3036, 10215), (3105, 9988), (3405, 9108), (3795, 8172), (4086, 7590), (4140, 7491), (4540, 6831), (4554, 6810), (4994, 6210), (5060, 6129), (5221, 5940)]