885317220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5546

約数の個数: 144

約数和(自身を含む): 2868203520

約数和(自身を除く): 1982886300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 522, 558, 580, 620, 870, 899, 930, 1044, 1116, 1305, 1395, 1740, 1798, 1860, 2610, 2697, 2790, 3596, 4495, 5220, 5394, 5471, 5580, 8091, 8990, 10788, 10942, 13485, 16182, 16413, 17980, 21884, 26970, 27355, 32364, 32826, 40455, 49239, 53940, 54710, 65652, 80910, 82065, 98478, 109420, 158659, 161820, 164130, 169601, 196956, 246195, 317318, 328260, 339202, 475977, 492390, 508803, 634636, 678404, 793295, 848005, 951954, 984780, 1017606, 1427931, 1526409, 1586590, 1696010, 1903908, 2035212, 2379885, 2544015, 2855862, 3052818, 3173180, 3392020, 4759770, 4918429, 5088030, 5711724, 6105636, 7139655, 7632045, 9519540, 9836858, 10176060, 14279310, 14755287, 15264090, 19673716, 24592145, 28558620, 29510574, 30528180, 44265861, 49184290, 59021148, 73776435, 88531722, 98368580, 147552870, 177063444, 221329305, 295105740, 442658610, 885317220]

約数ペア:

[(1, 885317220), (2, 442658610), (3, 295105740), (4, 221329305), (5, 177063444), (6, 147552870), (9, 98368580), (10, 88531722), (12, 73776435), (15, 59021148), (18, 49184290), (20, 44265861), (29, 30528180), (30, 29510574), (31, 28558620), (36, 24592145), (45, 19673716), (58, 15264090), (60, 14755287), (62, 14279310), (87, 10176060), (90, 9836858), (93, 9519540), (116, 7632045), (124, 7139655), (145, 6105636), (155, 5711724), (174, 5088030), (180, 4918429), (186, 4759770), (261, 3392020), (279, 3173180), (290, 3052818), (310, 2855862), (348, 2544015), (372, 2379885), (435, 2035212), (465, 1903908), (522, 1696010), (558, 1586590), (580, 1526409), (620, 1427931), (870, 1017606), (899, 984780), (930, 951954), (1044, 848005), (1116, 793295), (1305, 678404), (1395, 634636), (1740, 508803), (1798, 492390), (1860, 475977), (2610, 339202), (2697, 328260), (2790, 317318), (3596, 246195), (4495, 196956), (5220, 169601), (5394, 164130), (5471, 161820), (5580, 158659), (8091, 109420), (8990, 98478), (10788, 82065), (10942, 80910), (13485, 65652), (16182, 54710), (16413, 53940), (17980, 49239), (21884, 40455), (26970, 32826), (27355, 32364)]