220194540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 144

約数和(自身を含む): 712569312

約数和(自身を除く): 492374772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 227, 255, 306, 317, 340, 454, 510, 612, 634, 681, 765, 908, 951, 1020, 1135, 1268, 1362, 1530, 1585, 1902, 2043, 2270, 2724, 2853, 3060, 3170, 3405, 3804, 3859, 4086, 4540, 4755, 5389, 5706, 6340, 6810, 7718, 8172, 9510, 10215, 10778, 11412, 11577, 13620, 14265, 15436, 16167, 19020, 19295, 20430, 21556, 23154, 26945, 28530, 32334, 34731, 38590, 40860, 46308, 48501, 53890, 57060, 57885, 64668, 69462, 71959, 77180, 80835, 97002, 107780, 115770, 138924, 143918, 161670, 173655, 194004, 215877, 231540, 242505, 287836, 323340, 347310, 359795, 431754, 485010, 647631, 694620, 719590, 863508, 970020, 1079385, 1223303, 1295262, 1439180, 2158770, 2446606, 2590524, 3238155, 3669909, 4317540, 4893212, 6116515, 6476310, 7339818, 11009727, 12233030, 12952620, 14679636, 18349545, 22019454, 24466060, 36699090, 44038908, 55048635, 73398180, 110097270, 220194540]

約数ペア:

[(1, 220194540), (2, 110097270), (3, 73398180), (4, 55048635), (5, 44038908), (6, 36699090), (9, 24466060), (10, 22019454), (12, 18349545), (15, 14679636), (17, 12952620), (18, 12233030), (20, 11009727), (30, 7339818), (34, 6476310), (36, 6116515), (45, 4893212), (51, 4317540), (60, 3669909), (68, 3238155), (85, 2590524), (90, 2446606), (102, 2158770), (153, 1439180), (170, 1295262), (180, 1223303), (204, 1079385), (227, 970020), (255, 863508), (306, 719590), (317, 694620), (340, 647631), (454, 485010), (510, 431754), (612, 359795), (634, 347310), (681, 323340), (765, 287836), (908, 242505), (951, 231540), (1020, 215877), (1135, 194004), (1268, 173655), (1362, 161670), (1530, 143918), (1585, 138924), (1902, 115770), (2043, 107780), (2270, 97002), (2724, 80835), (2853, 77180), (3060, 71959), (3170, 69462), (3405, 64668), (3804, 57885), (3859, 57060), (4086, 53890), (4540, 48501), (4755, 46308), (5389, 40860), (5706, 38590), (6340, 34731), (6810, 32334), (7718, 28530), (8172, 26945), (9510, 23154), (10215, 21556), (10778, 20430), (11412, 19295), (11577, 19020), (13620, 16167), (14265, 15436)]