77337780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 243492480

約数和(自身を除く): 166154700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 169, 174, 195, 260, 263, 290, 338, 348, 377, 390, 435, 507, 526, 580, 676, 754, 780, 789, 845, 870, 1014, 1052, 1131, 1315, 1508, 1578, 1690, 1740, 1885, 2028, 2262, 2535, 2630, 3156, 3380, 3419, 3770, 3945, 4524, 4901, 5070, 5260, 5655, 6838, 7540, 7627, 7890, 9802, 10140, 10257, 11310, 13676, 14703, 15254, 15780, 17095, 19604, 20514, 22620, 22881, 24505, 29406, 30508, 34190, 38135, 41028, 44447, 45762, 49010, 51285, 58812, 68380, 73515, 76270, 88894, 91524, 98020, 99151, 102570, 114405, 133341, 147030, 152540, 177788, 198302, 205140, 222235, 228810, 266682, 294060, 297453, 396604, 444470, 457620, 495755, 533364, 594906, 666705, 888940, 991510, 1189812, 1288963, 1333410, 1487265, 1983020, 2577926, 2666820, 2974530, 3866889, 5155852, 5949060, 6444815, 7733778, 12889630, 15467556, 19334445, 25779260, 38668890, 77337780]

約数ペア:

[(1, 77337780), (2, 38668890), (3, 25779260), (4, 19334445), (5, 15467556), (6, 12889630), (10, 7733778), (12, 6444815), (13, 5949060), (15, 5155852), (20, 3866889), (26, 2974530), (29, 2666820), (30, 2577926), (39, 1983020), (52, 1487265), (58, 1333410), (60, 1288963), (65, 1189812), (78, 991510), (87, 888940), (116, 666705), (130, 594906), (145, 533364), (156, 495755), (169, 457620), (174, 444470), (195, 396604), (260, 297453), (263, 294060), (290, 266682), (338, 228810), (348, 222235), (377, 205140), (390, 198302), (435, 177788), (507, 152540), (526, 147030), (580, 133341), (676, 114405), (754, 102570), (780, 99151), (789, 98020), (845, 91524), (870, 88894), (1014, 76270), (1052, 73515), (1131, 68380), (1315, 58812), (1508, 51285), (1578, 49010), (1690, 45762), (1740, 44447), (1885, 41028), (2028, 38135), (2262, 34190), (2535, 30508), (2630, 29406), (3156, 24505), (3380, 22881), (3419, 22620), (3770, 20514), (3945, 19604), (4524, 17095), (4901, 15780), (5070, 15254), (5260, 14703), (5655, 13676), (6838, 11310), (7540, 10257), (7627, 10140), (7890, 9802)]