81176004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 256838400

約数和(自身を除く): 175662396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 71, 78, 84, 91, 117, 126, 142, 156, 182, 213, 234, 252, 273, 284, 349, 364, 426, 468, 497, 546, 639, 698, 819, 852, 923, 994, 1047, 1092, 1278, 1396, 1491, 1638, 1846, 1988, 2094, 2443, 2556, 2769, 2982, 3141, 3276, 3692, 4188, 4473, 4537, 4886, 5538, 5964, 6282, 6461, 7329, 8307, 8946, 9074, 9772, 11076, 12564, 12922, 13611, 14658, 16614, 17892, 18148, 19383, 21987, 24779, 25844, 27222, 29316, 31759, 33228, 38766, 40833, 43974, 49558, 54444, 58149, 63518, 74337, 77532, 81666, 87948, 95277, 99116, 116298, 127036, 148674, 163332, 173453, 190554, 223011, 232596, 285831, 297348, 322127, 346906, 381108, 446022, 520359, 571662, 644254, 693812, 892044, 966381, 1040718, 1143324, 1288508, 1561077, 1932762, 2081436, 2254889, 2899143, 3122154, 3865524, 4509778, 5798286, 6244308, 6764667, 9019556, 11596572, 13529334, 20294001, 27058668, 40588002, 81176004]

約数ペア:

[(1, 81176004), (2, 40588002), (3, 27058668), (4, 20294001), (6, 13529334), (7, 11596572), (9, 9019556), (12, 6764667), (13, 6244308), (14, 5798286), (18, 4509778), (21, 3865524), (26, 3122154), (28, 2899143), (36, 2254889), (39, 2081436), (42, 1932762), (52, 1561077), (63, 1288508), (71, 1143324), (78, 1040718), (84, 966381), (91, 892044), (117, 693812), (126, 644254), (142, 571662), (156, 520359), (182, 446022), (213, 381108), (234, 346906), (252, 322127), (273, 297348), (284, 285831), (349, 232596), (364, 223011), (426, 190554), (468, 173453), (497, 163332), (546, 148674), (639, 127036), (698, 116298), (819, 99116), (852, 95277), (923, 87948), (994, 81666), (1047, 77532), (1092, 74337), (1278, 63518), (1396, 58149), (1491, 54444), (1638, 49558), (1846, 43974), (1988, 40833), (2094, 38766), (2443, 33228), (2556, 31759), (2769, 29316), (2982, 27222), (3141, 25844), (3276, 24779), (3692, 21987), (4188, 19383), (4473, 18148), (4537, 17892), (4886, 16614), (5538, 14658), (5964, 13611), (6282, 12922), (6461, 12564), (7329, 11076), (8307, 9772), (8946, 9074)]