1618380

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{37}}^1$

素因数の和:67

約数の個数: 96

約数和(自身を含む): 5234880

約数和(自身を除く): 3616500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 243, 270, 324, 333, 370, 405, 444, 486, 540, 555, 666, 729, 740, 810, 972, 999, 1110, 1215, 1332, 1458, 1620, 1665, 1998, 2187, 2220, 2430, 2916, 2997, 3330, 3645, 3996, 4374, 4860, 4995, 5994, 6660, 7290, 8748, 8991, 9990, 10935, 11988, 14580, 14985, 17982, 19980, 21870, 26973, 29970, 35964, 43740, 44955, 53946, 59940, 80919, 89910, 107892, 134865, 161838, 179820, 269730, 323676, 404595, 539460, 809190, 1618380]

約数ペア:

[(1, 1618380), (2, 809190), (3, 539460), (4, 404595), (5, 323676), (6, 269730), (9, 179820), (10, 161838), (12, 134865), (15, 107892), (18, 89910), (20, 80919), (27, 59940), (30, 53946), (36, 44955), (37, 43740), (45, 35964), (54, 29970), (60, 26973), (74, 21870), (81, 19980), (90, 17982), (108, 14985), (111, 14580), (135, 11988), (148, 10935), (162, 9990), (180, 8991), (185, 8748), (222, 7290), (243, 6660), (270, 5994), (324, 4995), (333, 4860), (370, 4374), (405, 3996), (444, 3645), (486, 3330), (540, 2997), (555, 2916), (666, 2430), (729, 2220), (740, 2187), (810, 1998), (972, 1665), (999, 1620), (1110, 1458), (1215, 1332)]