72789240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1213

約数の個数: 128

約数和(自身を含む): 238878720

約数和(自身を除く): 166089480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1151, 1240, 1581, 1860, 2040, 2108, 2302, 2635, 3162, 3453, 3720, 4216, 4604, 5270, 5755, 6324, 6906, 7905, 9208, 10540, 11510, 12648, 13812, 15810, 17265, 19567, 21080, 23020, 27624, 31620, 34530, 35681, 39134, 46040, 58701, 63240, 69060, 71362, 78268, 97835, 107043, 117402, 138120, 142724, 156536, 178405, 195670, 214086, 234804, 285448, 293505, 356810, 391340, 428172, 469608, 535215, 587010, 606577, 713620, 782680, 856344, 1070430, 1174020, 1213154, 1427240, 1819731, 2140860, 2348040, 2426308, 3032885, 3639462, 4281720, 4852616, 6065770, 7278924, 9098655, 12131540, 14557848, 18197310, 24263080, 36394620, 72789240]

約数ペア:

[(1, 72789240), (2, 36394620), (3, 24263080), (4, 18197310), (5, 14557848), (6, 12131540), (8, 9098655), (10, 7278924), (12, 6065770), (15, 4852616), (17, 4281720), (20, 3639462), (24, 3032885), (30, 2426308), (31, 2348040), (34, 2140860), (40, 1819731), (51, 1427240), (60, 1213154), (62, 1174020), (68, 1070430), (85, 856344), (93, 782680), (102, 713620), (120, 606577), (124, 587010), (136, 535215), (155, 469608), (170, 428172), (186, 391340), (204, 356810), (248, 293505), (255, 285448), (310, 234804), (340, 214086), (372, 195670), (408, 178405), (465, 156536), (510, 142724), (527, 138120), (620, 117402), (680, 107043), (744, 97835), (930, 78268), (1020, 71362), (1054, 69060), (1151, 63240), (1240, 58701), (1581, 46040), (1860, 39134), (2040, 35681), (2108, 34530), (2302, 31620), (2635, 27624), (3162, 23020), (3453, 21080), (3720, 19567), (4216, 17265), (4604, 15810), (5270, 13812), (5755, 12648), (6324, 11510), (6906, 10540), (7905, 9208)]