1807920

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{31}}^1$

素因数の和:62

約数の個数: 140

約数和(自身を含む): 6505536

約数和(自身を除く): 4697616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 243, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 486, 496, 540, 558, 620, 648, 720, 729, 744, 810, 837, 930, 972, 1080, 1116, 1215, 1240, 1296, 1395, 1458, 1488, 1620, 1674, 1860, 1944, 2160, 2232, 2430, 2480, 2511, 2790, 2916, 3240, 3348, 3645, 3720, 3888, 4185, 4464, 4860, 5022, 5580, 5832, 6480, 6696, 7290, 7440, 7533, 8370, 9720, 10044, 11160, 11664, 12555, 13392, 14580, 15066, 16740, 19440, 20088, 22320, 22599, 25110, 29160, 30132, 33480, 37665, 40176, 45198, 50220, 58320, 60264, 66960, 75330, 90396, 100440, 112995, 120528, 150660, 180792, 200880, 225990, 301320, 361584, 451980, 602640, 903960, 1807920]

約数ペア:

[(1, 1807920), (2, 903960), (3, 602640), (4, 451980), (5, 361584), (6, 301320), (8, 225990), (9, 200880), (10, 180792), (12, 150660), (15, 120528), (16, 112995), (18, 100440), (20, 90396), (24, 75330), (27, 66960), (30, 60264), (31, 58320), (36, 50220), (40, 45198), (45, 40176), (48, 37665), (54, 33480), (60, 30132), (62, 29160), (72, 25110), (80, 22599), (81, 22320), (90, 20088), (93, 19440), (108, 16740), (120, 15066), (124, 14580), (135, 13392), (144, 12555), (155, 11664), (162, 11160), (180, 10044), (186, 9720), (216, 8370), (240, 7533), (243, 7440), (248, 7290), (270, 6696), (279, 6480), (310, 5832), (324, 5580), (360, 5022), (372, 4860), (405, 4464), (432, 4185), (465, 3888), (486, 3720), (496, 3645), (540, 3348), (558, 3240), (620, 2916), (648, 2790), (720, 2511), (729, 2480), (744, 2430), (810, 2232), (837, 2160), (930, 1944), (972, 1860), (1080, 1674), (1116, 1620), (1215, 1488), (1240, 1458), (1296, 1395)]