80645220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:831

約数の個数: 120

約数和(自身を含む): 257108544

約数和(自身を除く): 176463324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 180, 201, 268, 270, 324, 335, 402, 405, 540, 603, 670, 743, 804, 810, 1005, 1206, 1340, 1486, 1620, 1809, 2010, 2229, 2412, 2972, 3015, 3618, 3715, 4020, 4458, 5427, 6030, 6687, 7236, 7430, 8916, 9045, 10854, 11145, 12060, 13374, 14860, 18090, 20061, 21708, 22290, 26748, 27135, 33435, 36180, 40122, 44580, 49781, 54270, 60183, 66870, 80244, 99562, 100305, 108540, 120366, 133740, 149343, 199124, 200610, 240732, 248905, 298686, 300915, 401220, 448029, 497810, 597372, 601830, 746715, 896058, 995620, 1203660, 1344087, 1493430, 1792116, 2240145, 2688174, 2986860, 4032261, 4480290, 5376348, 6720435, 8064522, 8960580, 13440870, 16129044, 20161305, 26881740, 40322610, 80645220]

約数ペア:

[(1, 80645220), (2, 40322610), (3, 26881740), (4, 20161305), (5, 16129044), (6, 13440870), (9, 8960580), (10, 8064522), (12, 6720435), (15, 5376348), (18, 4480290), (20, 4032261), (27, 2986860), (30, 2688174), (36, 2240145), (45, 1792116), (54, 1493430), (60, 1344087), (67, 1203660), (81, 995620), (90, 896058), (108, 746715), (134, 601830), (135, 597372), (162, 497810), (180, 448029), (201, 401220), (268, 300915), (270, 298686), (324, 248905), (335, 240732), (402, 200610), (405, 199124), (540, 149343), (603, 133740), (670, 120366), (743, 108540), (804, 100305), (810, 99562), (1005, 80244), (1206, 66870), (1340, 60183), (1486, 54270), (1620, 49781), (1809, 44580), (2010, 40122), (2229, 36180), (2412, 33435), (2972, 27135), (3015, 26748), (3618, 22290), (3715, 21708), (4020, 20061), (4458, 18090), (5427, 14860), (6030, 13374), (6687, 12060), (7236, 11145), (7430, 10854), (8916, 9045)]