73999980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2687}}^1$

素因数の和:2725

約数の個数: 120

約数和(自身を含む): 245887488

約数和(自身を除く): 171887508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 2295, 2687, 2754, 3060, 4590, 5374, 5508, 6885, 8061, 9180, 10748, 13435, 13770, 16122, 24183, 26870, 27540, 32244, 40305, 45679, 48366, 53740, 72549, 80610, 91358, 96732, 120915, 137037, 145098, 161220, 182716, 217647, 228395, 241830, 274074, 290196, 362745, 411111, 435294, 456790, 483660, 548148, 685185, 725490, 822222, 870588, 913580, 1088235, 1233333, 1370370, 1450980, 1644444, 2055555, 2176470, 2466666, 2740740, 3699999, 4111110, 4352940, 4933332, 6166665, 7399998, 8222220, 12333330, 14799996, 18499995, 24666660, 36999990, 73999980]

約数ペア:

[(1, 73999980), (2, 36999990), (3, 24666660), (4, 18499995), (5, 14799996), (6, 12333330), (9, 8222220), (10, 7399998), (12, 6166665), (15, 4933332), (17, 4352940), (18, 4111110), (20, 3699999), (27, 2740740), (30, 2466666), (34, 2176470), (36, 2055555), (45, 1644444), (51, 1450980), (54, 1370370), (60, 1233333), (68, 1088235), (81, 913580), (85, 870588), (90, 822222), (102, 725490), (108, 685185), (135, 548148), (153, 483660), (162, 456790), (170, 435294), (180, 411111), (204, 362745), (255, 290196), (270, 274074), (306, 241830), (324, 228395), (340, 217647), (405, 182716), (459, 161220), (510, 145098), (540, 137037), (612, 120915), (765, 96732), (810, 91358), (918, 80610), (1020, 72549), (1377, 53740), (1530, 48366), (1620, 45679), (1836, 40305), (2295, 32244), (2687, 27540), (2754, 26870), (3060, 24183), (4590, 16122), (5374, 13770), (5508, 13435), (6885, 10748), (8061, 9180)]