278344620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 918973440

約数和(自身を除く): 640628820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 73, 90, 92, 108, 115, 135, 138, 146, 180, 207, 219, 230, 270, 276, 292, 307, 345, 365, 414, 438, 460, 540, 614, 621, 657, 690, 730, 828, 876, 921, 1035, 1095, 1228, 1242, 1314, 1380, 1460, 1535, 1679, 1842, 1971, 2070, 2190, 2484, 2628, 2763, 3070, 3105, 3285, 3358, 3684, 3942, 4140, 4380, 4605, 5037, 5526, 6140, 6210, 6570, 6716, 7061, 7884, 8289, 8395, 9210, 9855, 10074, 11052, 12420, 13140, 13815, 14122, 15111, 16578, 16790, 18420, 19710, 20148, 21183, 22411, 25185, 27630, 28244, 30222, 33156, 33580, 35305, 39420, 41445, 42366, 44822, 45333, 50370, 55260, 60444, 63549, 67233, 70610, 75555, 82890, 84732, 89644, 90666, 100740, 105915, 112055, 127098, 134466, 141220, 151110, 165780, 181332, 190647, 201699, 211830, 224110, 226665, 254196, 268932, 302220, 317745, 336165, 381294, 403398, 423660, 448220, 453330, 515453, 605097, 635490, 672330, 762588, 806796, 906660, 953235, 1008495, 1030906, 1210194, 1270980, 1344660, 1546359, 1906470, 2016990, 2061812, 2420388, 2577265, 3025485, 3092718, 3812940, 4033980, 4639077, 5154530, 6050970, 6185436, 7731795, 9278154, 10309060, 12101940, 13917231, 15463590, 18556308, 23195385, 27834462, 30927180, 46390770, 55668924, 69586155, 92781540, 139172310, 278344620]

約数ペア:

[(1, 278344620), (2, 139172310), (3, 92781540), (4, 69586155), (5, 55668924), (6, 46390770), (9, 30927180), (10, 27834462), (12, 23195385), (15, 18556308), (18, 15463590), (20, 13917231), (23, 12101940), (27, 10309060), (30, 9278154), (36, 7731795), (45, 6185436), (46, 6050970), (54, 5154530), (60, 4639077), (69, 4033980), (73, 3812940), (90, 3092718), (92, 3025485), (108, 2577265), (115, 2420388), (135, 2061812), (138, 2016990), (146, 1906470), (180, 1546359), (207, 1344660), (219, 1270980), (230, 1210194), (270, 1030906), (276, 1008495), (292, 953235), (307, 906660), (345, 806796), (365, 762588), (414, 672330), (438, 635490), (460, 605097), (540, 515453), (614, 453330), (621, 448220), (657, 423660), (690, 403398), (730, 381294), (828, 336165), (876, 317745), (921, 302220), (1035, 268932), (1095, 254196), (1228, 226665), (1242, 224110), (1314, 211830), (1380, 201699), (1460, 190647), (1535, 181332), (1679, 165780), (1842, 151110), (1971, 141220), (2070, 134466), (2190, 127098), (2484, 112055), (2628, 105915), (2763, 100740), (3070, 90666), (3105, 89644), (3285, 84732), (3358, 82890), (3684, 75555), (3942, 70610), (4140, 67233), (4380, 63549), (4605, 60444), (5037, 55260), (5526, 50370), (6140, 45333), (6210, 44822), (6570, 42366), (6716, 41445), (7061, 39420), (7884, 35305), (8289, 33580), (8395, 33156), (9210, 30222), (9855, 28244), (10074, 27630), (11052, 25185), (12420, 22411), (13140, 21183), (13815, 20148), (14122, 19710), (15111, 18420), (16578, 16790)]