72707640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1289

約数の個数: 128

約数和(自身を含む): 239112000

約数和(自身を除く): 166404360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 68, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 255, 290, 340, 348, 408, 435, 493, 510, 580, 680, 696, 870, 986, 1020, 1160, 1229, 1479, 1740, 1972, 2040, 2458, 2465, 2958, 3480, 3687, 3944, 4916, 4930, 5916, 6145, 7374, 7395, 9832, 9860, 11832, 12290, 14748, 14790, 18435, 19720, 20893, 24580, 29496, 29580, 35641, 36870, 41786, 49160, 59160, 62679, 71282, 73740, 83572, 104465, 106923, 125358, 142564, 147480, 167144, 178205, 208930, 213846, 250716, 285128, 313395, 356410, 417860, 427692, 501432, 534615, 605897, 626790, 712820, 835720, 855384, 1069230, 1211794, 1253580, 1425640, 1817691, 2138460, 2423588, 2507160, 3029485, 3635382, 4276920, 4847176, 6058970, 7270764, 9088455, 12117940, 14541528, 18176910, 24235880, 36353820, 72707640]

約数ペア:

[(1, 72707640), (2, 36353820), (3, 24235880), (4, 18176910), (5, 14541528), (6, 12117940), (8, 9088455), (10, 7270764), (12, 6058970), (15, 4847176), (17, 4276920), (20, 3635382), (24, 3029485), (29, 2507160), (30, 2423588), (34, 2138460), (40, 1817691), (51, 1425640), (58, 1253580), (60, 1211794), (68, 1069230), (85, 855384), (87, 835720), (102, 712820), (116, 626790), (120, 605897), (136, 534615), (145, 501432), (170, 427692), (174, 417860), (204, 356410), (232, 313395), (255, 285128), (290, 250716), (340, 213846), (348, 208930), (408, 178205), (435, 167144), (493, 147480), (510, 142564), (580, 125358), (680, 106923), (696, 104465), (870, 83572), (986, 73740), (1020, 71282), (1160, 62679), (1229, 59160), (1479, 49160), (1740, 41786), (1972, 36870), (2040, 35641), (2458, 29580), (2465, 29496), (2958, 24580), (3480, 20893), (3687, 19720), (3944, 18435), (4916, 14790), (4930, 14748), (5916, 12290), (6145, 11832), (7374, 9860), (7395, 9832)]