161191620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1992

約数の個数: 144

約数和(自身を含む): 537159168

約数和(自身を除く): 375967548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 972, 1020, 1215, 1377, 1530, 1620, 1836, 1951, 2295, 2430, 2754, 3060, 3902, 4131, 4590, 4860, 5508, 5853, 6885, 7804, 8262, 9180, 9755, 11706, 13770, 16524, 17559, 19510, 20655, 23412, 27540, 29265, 33167, 35118, 39020, 41310, 52677, 58530, 66334, 70236, 82620, 87795, 99501, 105354, 117060, 132668, 158031, 165835, 175590, 199002, 210708, 263385, 298503, 316062, 331670, 351180, 398004, 474093, 497505, 526770, 597006, 632124, 663340, 790155, 895509, 948186, 995010, 1053540, 1194012, 1492515, 1580310, 1791018, 1896372, 1990020, 2370465, 2686527, 2985030, 3160620, 3582036, 4477545, 4740930, 5373054, 5970060, 8059581, 8955090, 9481860, 10746108, 13432635, 16119162, 17910180, 26865270, 32238324, 40297905, 53730540, 80595810, 161191620]

約数ペア:

[(1, 161191620), (2, 80595810), (3, 53730540), (4, 40297905), (5, 32238324), (6, 26865270), (9, 17910180), (10, 16119162), (12, 13432635), (15, 10746108), (17, 9481860), (18, 8955090), (20, 8059581), (27, 5970060), (30, 5373054), (34, 4740930), (36, 4477545), (45, 3582036), (51, 3160620), (54, 2985030), (60, 2686527), (68, 2370465), (81, 1990020), (85, 1896372), (90, 1791018), (102, 1580310), (108, 1492515), (135, 1194012), (153, 1053540), (162, 995010), (170, 948186), (180, 895509), (204, 790155), (243, 663340), (255, 632124), (270, 597006), (306, 526770), (324, 497505), (340, 474093), (405, 398004), (459, 351180), (486, 331670), (510, 316062), (540, 298503), (612, 263385), (765, 210708), (810, 199002), (918, 175590), (972, 165835), (1020, 158031), (1215, 132668), (1377, 117060), (1530, 105354), (1620, 99501), (1836, 87795), (1951, 82620), (2295, 70236), (2430, 66334), (2754, 58530), (3060, 52677), (3902, 41310), (4131, 39020), (4590, 35118), (4860, 33167), (5508, 29265), (5853, 27540), (6885, 23412), (7804, 20655), (8262, 19510), (9180, 17559), (9755, 16524), (11706, 13770)]