72081870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 213414912

約数和(自身を除く): 141333042

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 61, 70, 85, 102, 105, 119, 122, 170, 183, 210, 238, 255, 305, 331, 357, 366, 427, 510, 595, 610, 662, 714, 854, 915, 993, 1037, 1190, 1281, 1655, 1785, 1830, 1986, 2074, 2135, 2317, 2562, 3111, 3310, 3570, 4270, 4634, 4965, 5185, 5627, 6222, 6405, 6951, 7259, 9930, 10370, 11254, 11585, 12810, 13902, 14518, 15555, 16881, 20191, 21777, 23170, 28135, 31110, 33762, 34755, 36295, 39389, 40382, 43554, 56270, 60573, 69510, 72590, 78778, 84405, 100955, 108885, 118167, 121146, 141337, 168810, 196945, 201910, 217770, 236334, 282674, 302865, 343247, 393890, 424011, 590835, 605730, 686494, 706685, 848022, 1029741, 1181670, 1413370, 1716235, 2059482, 2120055, 2402729, 3432470, 4240110, 4805458, 5148705, 7208187, 10297410, 12013645, 14416374, 24027290, 36040935, 72081870]

約数ペア:

[(1, 72081870), (2, 36040935), (3, 24027290), (5, 14416374), (6, 12013645), (7, 10297410), (10, 7208187), (14, 5148705), (15, 4805458), (17, 4240110), (21, 3432470), (30, 2402729), (34, 2120055), (35, 2059482), (42, 1716235), (51, 1413370), (61, 1181670), (70, 1029741), (85, 848022), (102, 706685), (105, 686494), (119, 605730), (122, 590835), (170, 424011), (183, 393890), (210, 343247), (238, 302865), (255, 282674), (305, 236334), (331, 217770), (357, 201910), (366, 196945), (427, 168810), (510, 141337), (595, 121146), (610, 118167), (662, 108885), (714, 100955), (854, 84405), (915, 78778), (993, 72590), (1037, 69510), (1190, 60573), (1281, 56270), (1655, 43554), (1785, 40382), (1830, 39389), (1986, 36295), (2074, 34755), (2135, 33762), (2317, 31110), (2562, 28135), (3111, 23170), (3310, 21777), (3570, 20191), (4270, 16881), (4634, 15555), (4965, 14518), (5185, 13902), (5627, 12810), (6222, 11585), (6405, 11254), (6951, 10370), (7259, 9930)]