31905090

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 160

約数和(自身を含む): 104125824

約数和(自身を除く): 72220734

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 81, 85, 90, 102, 105, 119, 126, 135, 153, 162, 170, 189, 210, 238, 255, 270, 306, 315, 331, 357, 378, 405, 459, 510, 567, 595, 630, 662, 714, 765, 810, 918, 945, 993, 1071, 1134, 1190, 1377, 1530, 1655, 1785, 1890, 1986, 2142, 2295, 2317, 2754, 2835, 2979, 3213, 3310, 3570, 4590, 4634, 4965, 5355, 5627, 5670, 5958, 6426, 6885, 6951, 8937, 9639, 9930, 10710, 11254, 11585, 13770, 13902, 14895, 16065, 16881, 17874, 19278, 20853, 23170, 26811, 28135, 29790, 32130, 33762, 34755, 39389, 41706, 44685, 48195, 50643, 53622, 56270, 62559, 69510, 78778, 84405, 89370, 96390, 101286, 104265, 118167, 125118, 134055, 151929, 168810, 187677, 196945, 208530, 236334, 253215, 268110, 303858, 312795, 354501, 375354, 393890, 455787, 506430, 590835, 625590, 709002, 759645, 911574, 938385, 1063503, 1181670, 1519290, 1772505, 1876770, 2127006, 2278935, 3190509, 3545010, 4557870, 5317515, 6381018, 10635030, 15952545, 31905090]

約数ペア:

[(1, 31905090), (2, 15952545), (3, 10635030), (5, 6381018), (6, 5317515), (7, 4557870), (9, 3545010), (10, 3190509), (14, 2278935), (15, 2127006), (17, 1876770), (18, 1772505), (21, 1519290), (27, 1181670), (30, 1063503), (34, 938385), (35, 911574), (42, 759645), (45, 709002), (51, 625590), (54, 590835), (63, 506430), (70, 455787), (81, 393890), (85, 375354), (90, 354501), (102, 312795), (105, 303858), (119, 268110), (126, 253215), (135, 236334), (153, 208530), (162, 196945), (170, 187677), (189, 168810), (210, 151929), (238, 134055), (255, 125118), (270, 118167), (306, 104265), (315, 101286), (331, 96390), (357, 89370), (378, 84405), (405, 78778), (459, 69510), (510, 62559), (567, 56270), (595, 53622), (630, 50643), (662, 48195), (714, 44685), (765, 41706), (810, 39389), (918, 34755), (945, 33762), (993, 32130), (1071, 29790), (1134, 28135), (1190, 26811), (1377, 23170), (1530, 20853), (1655, 19278), (1785, 17874), (1890, 16881), (1986, 16065), (2142, 14895), (2295, 13902), (2317, 13770), (2754, 11585), (2835, 11254), (2979, 10710), (3213, 9930), (3310, 9639), (3570, 8937), (4590, 6951), (4634, 6885), (4965, 6426), (5355, 5958), (5627, 5670)]