80774820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 240

約数和(自身を含む): 307359360

約数和(自身を除く): 226584540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 324, 340, 357, 378, 405, 419, 420, 459, 476, 510, 540, 567, 595, 612, 630, 714, 756, 765, 810, 838, 918, 945, 1020, 1071, 1134, 1190, 1257, 1260, 1377, 1428, 1530, 1620, 1676, 1785, 1836, 1890, 2095, 2142, 2268, 2295, 2380, 2514, 2754, 2835, 2933, 3060, 3213, 3570, 3771, 3780, 4190, 4284, 4590, 5028, 5355, 5508, 5670, 5866, 6285, 6426, 6885, 7123, 7140, 7542, 8380, 8799, 9180, 9639, 10710, 11313, 11340, 11732, 12570, 12852, 13770, 14246, 14665, 15084, 16065, 17598, 18855, 19278, 21369, 21420, 22626, 25140, 26397, 27540, 28492, 29330, 32130, 33939, 35196, 35615, 37710, 38556, 42738, 43995, 45252, 48195, 49861, 52794, 56565, 58660, 64107, 64260, 67878, 71230, 75420, 79191, 85476, 87990, 96390, 99722, 105588, 106845, 113130, 128214, 131985, 135756, 142460, 149583, 158382, 169695, 175980, 192321, 192780, 199444, 213690, 226260, 237573, 249305, 256428, 263970, 299166, 316764, 320535, 339390, 384642, 395955, 427380, 448749, 475146, 498610, 527940, 576963, 598332, 641070, 678780, 747915, 769284, 791910, 897498, 950292, 961605, 997220, 1153926, 1187865, 1282140, 1346247, 1495830, 1583820, 1794996, 1923210, 2243745, 2307852, 2375730, 2692494, 2884815, 2991660, 3846420, 4038741, 4487490, 4751460, 5384988, 5769630, 6731235, 8077482, 8974980, 11539260, 13462470, 16154964, 20193705, 26924940, 40387410, 80774820]

約数ペア:

[(1, 80774820), (2, 40387410), (3, 26924940), (4, 20193705), (5, 16154964), (6, 13462470), (7, 11539260), (9, 8974980), (10, 8077482), (12, 6731235), (14, 5769630), (15, 5384988), (17, 4751460), (18, 4487490), (20, 4038741), (21, 3846420), (27, 2991660), (28, 2884815), (30, 2692494), (34, 2375730), (35, 2307852), (36, 2243745), (42, 1923210), (45, 1794996), (51, 1583820), (54, 1495830), (60, 1346247), (63, 1282140), (68, 1187865), (70, 1153926), (81, 997220), (84, 961605), (85, 950292), (90, 897498), (102, 791910), (105, 769284), (108, 747915), (119, 678780), (126, 641070), (135, 598332), (140, 576963), (153, 527940), (162, 498610), (170, 475146), (180, 448749), (189, 427380), (204, 395955), (210, 384642), (238, 339390), (252, 320535), (255, 316764), (270, 299166), (306, 263970), (315, 256428), (324, 249305), (340, 237573), (357, 226260), (378, 213690), (405, 199444), (419, 192780), (420, 192321), (459, 175980), (476, 169695), (510, 158382), (540, 149583), (567, 142460), (595, 135756), (612, 131985), (630, 128214), (714, 113130), (756, 106845), (765, 105588), (810, 99722), (838, 96390), (918, 87990), (945, 85476), (1020, 79191), (1071, 75420), (1134, 71230), (1190, 67878), (1257, 64260), (1260, 64107), (1377, 58660), (1428, 56565), (1530, 52794), (1620, 49861), (1676, 48195), (1785, 45252), (1836, 43995), (1890, 42738), (2095, 38556), (2142, 37710), (2268, 35615), (2295, 35196), (2380, 33939), (2514, 32130), (2754, 29330), (2835, 28492), (2933, 27540), (3060, 26397), (3213, 25140), (3570, 22626), (3771, 21420), (3780, 21369), (4190, 19278), (4284, 18855), (4590, 17598), (5028, 16065), (5355, 15084), (5508, 14665), (5670, 14246), (5866, 13770), (6285, 12852), (6426, 12570), (6885, 11732), (7123, 11340), (7140, 11313), (7542, 10710), (8380, 9639), (8799, 9180)]