31680155916

素因数分解:

$2^2\times 3^8\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 216

約数和(自身を含む): 86566159680

約数和(自身を除く): 54886003764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 67, 81, 86, 108, 129, 134, 162, 172, 201, 243, 258, 268, 324, 387, 402, 419, 486, 516, 603, 729, 774, 804, 838, 972, 1161, 1206, 1257, 1458, 1548, 1676, 1809, 2187, 2322, 2412, 2514, 2881, 2916, 3483, 3618, 3771, 4374, 4644, 5028, 5427, 5762, 6561, 6966, 7236, 7542, 8643, 8748, 10449, 10854, 11313, 11524, 13122, 13932, 15084, 16281, 17286, 18017, 20898, 21708, 22626, 25929, 26244, 28073, 31347, 32562, 33939, 34572, 36034, 41796, 45252, 48843, 51858, 54051, 56146, 62694, 65124, 67878, 72068, 77787, 84219, 94041, 97686, 101817, 103716, 108102, 112292, 125388, 135756, 146529, 155574, 162153, 168438, 188082, 195372, 203634, 216204, 233361, 252657, 282123, 293058, 305451, 311148, 324306, 336876, 376164, 407268, 439587, 466722, 486459, 505314, 564246, 586116, 610902, 648612, 700083, 757971, 879174, 916353, 933444, 972918, 1010628, 1128492, 1207139, 1221804, 1400166, 1459377, 1515942, 1758348, 1832706, 1945836, 2100249, 2273913, 2414278, 2749059, 2800332, 2918754, 3031884, 3621417, 3665412, 4200498, 4378131, 4547826, 4828556, 5498118, 5837508, 6300747, 6821739, 7242834, 8400996, 8756262, 9095652, 10864251, 10996236, 12601494, 13134393, 13643478, 14485668, 17512524, 18902241, 20465217, 21728502, 25202988, 26268786, 27286956, 32592753, 37804482, 39403179, 40930434, 43457004, 52537572, 61395651, 65185506, 75608964, 78806358, 81860868, 97778259, 118209537, 122791302, 130371012, 157612716, 184186953, 195556518, 236419074, 245582604, 293334777, 368373906, 391113036, 472838148, 586669554, 736747812, 880004331, 1173339108, 1760008662, 2640012993, 3520017324, 5280025986, 7920038979, 10560051972, 15840077958, 31680155916]

約数ペア:

[(1, 31680155916), (2, 15840077958), (3, 10560051972), (4, 7920038979), (6, 5280025986), (9, 3520017324), (12, 2640012993), (18, 1760008662), (27, 1173339108), (36, 880004331), (43, 736747812), (54, 586669554), (67, 472838148), (81, 391113036), (86, 368373906), (108, 293334777), (129, 245582604), (134, 236419074), (162, 195556518), (172, 184186953), (201, 157612716), (243, 130371012), (258, 122791302), (268, 118209537), (324, 97778259), (387, 81860868), (402, 78806358), (419, 75608964), (486, 65185506), (516, 61395651), (603, 52537572), (729, 43457004), (774, 40930434), (804, 39403179), (838, 37804482), (972, 32592753), (1161, 27286956), (1206, 26268786), (1257, 25202988), (1458, 21728502), (1548, 20465217), (1676, 18902241), (1809, 17512524), (2187, 14485668), (2322, 13643478), (2412, 13134393), (2514, 12601494), (2881, 10996236), (2916, 10864251), (3483, 9095652), (3618, 8756262), (3771, 8400996), (4374, 7242834), (4644, 6821739), (5028, 6300747), (5427, 5837508), (5762, 5498118), (6561, 4828556), (6966, 4547826), (7236, 4378131), (7542, 4200498), (8643, 3665412), (8748, 3621417), (10449, 3031884), (10854, 2918754), (11313, 2800332), (11524, 2749059), (13122, 2414278), (13932, 2273913), (15084, 2100249), (16281, 1945836), (17286, 1832706), (18017, 1758348), (20898, 1515942), (21708, 1459377), (22626, 1400166), (25929, 1221804), (26244, 1207139), (28073, 1128492), (31347, 1010628), (32562, 972918), (33939, 933444), (34572, 916353), (36034, 879174), (41796, 757971), (45252, 700083), (48843, 648612), (51858, 610902), (54051, 586116), (56146, 564246), (62694, 505314), (65124, 486459), (67878, 466722), (72068, 439587), (77787, 407268), (84219, 376164), (94041, 336876), (97686, 324306), (101817, 311148), (103716, 305451), (108102, 293058), (112292, 282123), (125388, 252657), (135756, 233361), (146529, 216204), (155574, 203634), (162153, 195372), (168438, 188082)]