28258380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4243}}^1$

素因数の和:4295

約数の個数: 72

約数和(自身を含む): 88054512

約数和(自身を除く): 59796132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 4243, 6660, 8486, 12729, 16972, 21215, 25458, 38187, 42430, 50916, 63645, 76374, 84860, 127290, 152748, 156991, 190935, 254580, 313982, 381870, 470973, 627964, 763740, 784955, 941946, 1412919, 1569910, 1883892, 2354865, 2825838, 3139820, 4709730, 5651676, 7064595, 9419460, 14129190, 28258380]

約数ペア:

[(1, 28258380), (2, 14129190), (3, 9419460), (4, 7064595), (5, 5651676), (6, 4709730), (9, 3139820), (10, 2825838), (12, 2354865), (15, 1883892), (18, 1569910), (20, 1412919), (30, 941946), (36, 784955), (37, 763740), (45, 627964), (60, 470973), (74, 381870), (90, 313982), (111, 254580), (148, 190935), (180, 156991), (185, 152748), (222, 127290), (333, 84860), (370, 76374), (444, 63645), (555, 50916), (666, 42430), (740, 38187), (1110, 25458), (1332, 21215), (1665, 16972), (2220, 12729), (3330, 8486), (4243, 6660)]