205531020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:494

約数の個数: 180

約数和(自身を含む): 686476560

約数和(自身を除く): 480945540

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, 289, 306, 324, 340, 405, 439, 459, 510, 540, 578, 612, 765, 810, 867, 878, 918, 1020, 1156, 1317, 1377, 1445, 1530, 1620, 1734, 1756, 1836, 2195, 2295, 2601, 2634, 2754, 2890, 3060, 3468, 3951, 4335, 4390, 4590, 5202, 5268, 5508, 5780, 6585, 6885, 7463, 7803, 7902, 8670, 8780, 9180, 10404, 11853, 13005, 13170, 13770, 14926, 15606, 15804, 17340, 19755, 22389, 23409, 23706, 26010, 26340, 27540, 29852, 31212, 35559, 37315, 39015, 39510, 44778, 46818, 47412, 52020, 59265, 67167, 71118, 74630, 78030, 79020, 89556, 93636, 111945, 117045, 118530, 126871, 134334, 142236, 149260, 156060, 177795, 201501, 223890, 234090, 237060, 253742, 268668, 335835, 355590, 380613, 403002, 447780, 468180, 507484, 604503, 634355, 671670, 711180, 761226, 806004, 1007505, 1141839, 1209006, 1268710, 1343340, 1522452, 1903065, 2015010, 2283678, 2418012, 2537420, 3022515, 3425517, 3806130, 4030020, 4567356, 5709195, 6045030, 6851034, 7612260, 10276551, 11418390, 12090060, 13702068, 17127585, 20553102, 22836780, 34255170, 41106204, 51382755, 68510340, 102765510, 205531020]

約数ペア:

[(1, 205531020), (2, 102765510), (3, 68510340), (4, 51382755), (5, 41106204), (6, 34255170), (9, 22836780), (10, 20553102), (12, 17127585), (15, 13702068), (17, 12090060), (18, 11418390), (20, 10276551), (27, 7612260), (30, 6851034), (34, 6045030), (36, 5709195), (45, 4567356), (51, 4030020), (54, 3806130), (60, 3425517), (68, 3022515), (81, 2537420), (85, 2418012), (90, 2283678), (102, 2015010), (108, 1903065), (135, 1522452), (153, 1343340), (162, 1268710), (170, 1209006), (180, 1141839), (204, 1007505), (255, 806004), (270, 761226), (289, 711180), (306, 671670), (324, 634355), (340, 604503), (405, 507484), (439, 468180), (459, 447780), (510, 403002), (540, 380613), (578, 355590), (612, 335835), (765, 268668), (810, 253742), (867, 237060), (878, 234090), (918, 223890), (1020, 201501), (1156, 177795), (1317, 156060), (1377, 149260), (1445, 142236), (1530, 134334), (1620, 126871), (1734, 118530), (1756, 117045), (1836, 111945), (2195, 93636), (2295, 89556), (2601, 79020), (2634, 78030), (2754, 74630), (2890, 71118), (3060, 67167), (3468, 59265), (3951, 52020), (4335, 47412), (4390, 46818), (4590, 44778), (5202, 39510), (5268, 39015), (5508, 37315), (5780, 35559), (6585, 31212), (6885, 29852), (7463, 27540), (7803, 26340), (7902, 26010), (8670, 23706), (8780, 23409), (9180, 22389), (10404, 19755), (11853, 17340), (13005, 15804), (13170, 15606), (13770, 14926)]