78540840

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{3463}}^1$

素因数の和:3493

約数の個数: 160

約数和(自身を含む): 301783680

約数和(自身を除く): 223242840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3463, 3780, 4536, 5670, 6926, 7560, 10389, 11340, 13852, 17315, 20778, 22680, 24241, 27704, 31167, 34630, 41556, 48482, 51945, 62334, 69260, 72723, 83112, 93501, 96964, 103890, 121205, 124668, 138520, 145446, 155835, 187002, 193928, 207780, 218169, 242410, 249336, 280503, 290892, 311670, 363615, 374004, 415560, 436338, 467505, 484820, 561006, 581784, 623340, 654507, 727230, 748008, 872676, 935010, 969640, 1090845, 1122012, 1246680, 1309014, 1402515, 1454460, 1745352, 1870020, 1963521, 2181690, 2244024, 2618028, 2805030, 2908920, 3272535, 3740040, 3927042, 4363380, 5236056, 5610060, 6545070, 7854084, 8726760, 9817605, 11220120, 13090140, 15708168, 19635210, 26180280, 39270420, 78540840]

約数ペア:

[(1, 78540840), (2, 39270420), (3, 26180280), (4, 19635210), (5, 15708168), (6, 13090140), (7, 11220120), (8, 9817605), (9, 8726760), (10, 7854084), (12, 6545070), (14, 5610060), (15, 5236056), (18, 4363380), (20, 3927042), (21, 3740040), (24, 3272535), (27, 2908920), (28, 2805030), (30, 2618028), (35, 2244024), (36, 2181690), (40, 1963521), (42, 1870020), (45, 1745352), (54, 1454460), (56, 1402515), (60, 1309014), (63, 1246680), (70, 1122012), (72, 1090845), (81, 969640), (84, 935010), (90, 872676), (105, 748008), (108, 727230), (120, 654507), (126, 623340), (135, 581784), (140, 561006), (162, 484820), (168, 467505), (180, 436338), (189, 415560), (210, 374004), (216, 363615), (252, 311670), (270, 290892), (280, 280503), (315, 249336), (324, 242410), (360, 218169), (378, 207780), (405, 193928), (420, 187002), (504, 155835), (540, 145446), (567, 138520), (630, 124668), (648, 121205), (756, 103890), (810, 96964), (840, 93501), (945, 83112), (1080, 72723), (1134, 69260), (1260, 62334), (1512, 51945), (1620, 48482), (1890, 41556), (2268, 34630), (2520, 31167), (2835, 27704), (3240, 24241), (3463, 22680), (3780, 20778), (4536, 17315), (5670, 13852), (6926, 11340), (7560, 10389)]