281213400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1226

約数の個数: 192

約数和(自身を含む): 969937920

約数和(自身を除く): 688724520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 31, 39, 40, 50, 52, 60, 62, 65, 75, 78, 93, 100, 104, 120, 124, 130, 150, 155, 156, 186, 195, 200, 248, 260, 300, 310, 312, 325, 372, 390, 403, 465, 520, 600, 620, 650, 744, 775, 780, 806, 930, 975, 1163, 1209, 1240, 1300, 1550, 1560, 1612, 1860, 1950, 2015, 2325, 2326, 2418, 2600, 3100, 3224, 3489, 3720, 3900, 4030, 4650, 4652, 4836, 5815, 6045, 6200, 6978, 7800, 8060, 9300, 9304, 9672, 10075, 11630, 12090, 13956, 15119, 16120, 17445, 18600, 20150, 23260, 24180, 27912, 29075, 30225, 30238, 34890, 36053, 40300, 45357, 46520, 48360, 58150, 60450, 60476, 69780, 72106, 75595, 80600, 87225, 90714, 108159, 116300, 120900, 120952, 139560, 144212, 151190, 174450, 180265, 181428, 216318, 226785, 232600, 241800, 288424, 302380, 348900, 360530, 362856, 377975, 432636, 453570, 468689, 540795, 604760, 697800, 721060, 755950, 865272, 901325, 907140, 937378, 1081590, 1133925, 1406067, 1442120, 1511900, 1802650, 1814280, 1874756, 2163180, 2267850, 2343445, 2703975, 2812134, 3023800, 3605300, 3749512, 4326360, 4535700, 4686890, 5407950, 5624268, 7030335, 7210600, 9071400, 9373780, 10815900, 11248536, 11717225, 14060670, 18747560, 21631800, 23434450, 28121340, 35151675, 46868900, 56242680, 70303350, 93737800, 140606700, 281213400]

約数ペア:

[(1, 281213400), (2, 140606700), (3, 93737800), (4, 70303350), (5, 56242680), (6, 46868900), (8, 35151675), (10, 28121340), (12, 23434450), (13, 21631800), (15, 18747560), (20, 14060670), (24, 11717225), (25, 11248536), (26, 10815900), (30, 9373780), (31, 9071400), (39, 7210600), (40, 7030335), (50, 5624268), (52, 5407950), (60, 4686890), (62, 4535700), (65, 4326360), (75, 3749512), (78, 3605300), (93, 3023800), (100, 2812134), (104, 2703975), (120, 2343445), (124, 2267850), (130, 2163180), (150, 1874756), (155, 1814280), (156, 1802650), (186, 1511900), (195, 1442120), (200, 1406067), (248, 1133925), (260, 1081590), (300, 937378), (310, 907140), (312, 901325), (325, 865272), (372, 755950), (390, 721060), (403, 697800), (465, 604760), (520, 540795), (600, 468689), (620, 453570), (650, 432636), (744, 377975), (775, 362856), (780, 360530), (806, 348900), (930, 302380), (975, 288424), (1163, 241800), (1209, 232600), (1240, 226785), (1300, 216318), (1550, 181428), (1560, 180265), (1612, 174450), (1860, 151190), (1950, 144212), (2015, 139560), (2325, 120952), (2326, 120900), (2418, 116300), (2600, 108159), (3100, 90714), (3224, 87225), (3489, 80600), (3720, 75595), (3900, 72106), (4030, 69780), (4650, 60476), (4652, 60450), (4836, 58150), (5815, 48360), (6045, 46520), (6200, 45357), (6978, 40300), (7800, 36053), (8060, 34890), (9300, 30238), (9304, 30225), (9672, 29075), (10075, 27912), (11630, 24180), (12090, 23260), (13956, 20150), (15119, 18600), (16120, 17445)]