7984980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 26417664

約数和(自身を除く): 18432684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 53, 54, 60, 62, 81, 90, 93, 106, 108, 124, 135, 155, 159, 162, 180, 186, 212, 243, 265, 270, 279, 310, 318, 324, 372, 405, 465, 477, 486, 530, 540, 558, 620, 636, 795, 810, 837, 930, 954, 972, 1060, 1116, 1215, 1395, 1431, 1590, 1620, 1643, 1674, 1860, 1908, 2385, 2430, 2511, 2790, 2862, 3180, 3286, 3348, 4185, 4293, 4770, 4860, 4929, 5022, 5580, 5724, 6572, 7155, 7533, 8215, 8370, 8586, 9540, 9858, 10044, 12555, 12879, 14310, 14787, 15066, 16430, 16740, 17172, 19716, 21465, 24645, 25110, 25758, 28620, 29574, 30132, 32860, 37665, 42930, 44361, 49290, 50220, 51516, 59148, 64395, 73935, 75330, 85860, 88722, 98580, 128790, 133083, 147870, 150660, 177444, 221805, 257580, 266166, 295740, 399249, 443610, 532332, 665415, 798498, 887220, 1330830, 1596996, 1996245, 2661660, 3992490, 7984980]

約数ペア:

[(1, 7984980), (2, 3992490), (3, 2661660), (4, 1996245), (5, 1596996), (6, 1330830), (9, 887220), (10, 798498), (12, 665415), (15, 532332), (18, 443610), (20, 399249), (27, 295740), (30, 266166), (31, 257580), (36, 221805), (45, 177444), (53, 150660), (54, 147870), (60, 133083), (62, 128790), (81, 98580), (90, 88722), (93, 85860), (106, 75330), (108, 73935), (124, 64395), (135, 59148), (155, 51516), (159, 50220), (162, 49290), (180, 44361), (186, 42930), (212, 37665), (243, 32860), (265, 30132), (270, 29574), (279, 28620), (310, 25758), (318, 25110), (324, 24645), (372, 21465), (405, 19716), (465, 17172), (477, 16740), (486, 16430), (530, 15066), (540, 14787), (558, 14310), (620, 12879), (636, 12555), (795, 10044), (810, 9858), (837, 9540), (930, 8586), (954, 8370), (972, 8215), (1060, 7533), (1116, 7155), (1215, 6572), (1395, 5724), (1431, 5580), (1590, 5022), (1620, 4929), (1643, 4860), (1674, 4770), (1860, 4293), (1908, 4185), (2385, 3348), (2430, 3286), (2511, 3180), (2790, 2862)]