79780428

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 180

約数和(自身を含む): 256930128

約数和(自身を除く): 177149700

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 71, 78, 84, 91, 98, 117, 126, 142, 147, 156, 182, 196, 213, 234, 252, 273, 284, 294, 343, 364, 426, 441, 468, 497, 546, 588, 637, 639, 686, 819, 852, 882, 923, 994, 1029, 1092, 1274, 1278, 1372, 1491, 1638, 1764, 1846, 1911, 1988, 2058, 2401, 2548, 2556, 2769, 2982, 3087, 3276, 3479, 3692, 3822, 4116, 4459, 4473, 4802, 5538, 5733, 5964, 6174, 6461, 6958, 7203, 7644, 8307, 8918, 8946, 9604, 10437, 11076, 11466, 12348, 12922, 13377, 13916, 14406, 16614, 17836, 17892, 19383, 20874, 21609, 22932, 24353, 25844, 26754, 28812, 31213, 31311, 33228, 38766, 40131, 41748, 43218, 45227, 48706, 53508, 58149, 62426, 62622, 73059, 77532, 80262, 86436, 90454, 93639, 97412, 116298, 124852, 125244, 135681, 146118, 160524, 170471, 180908, 187278, 219177, 232596, 271362, 280917, 292236, 316589, 340942, 374556, 407043, 438354, 511413, 542724, 561834, 633178, 681884, 814086, 876708, 949767, 1022826, 1123668, 1266356, 1534239, 1628172, 1899534, 2045652, 2216123, 2849301, 3068478, 3799068, 4432246, 5698602, 6136956, 6648369, 8864492, 11397204, 13296738, 19945107, 26593476, 39890214, 79780428]

約数ペア:

[(1, 79780428), (2, 39890214), (3, 26593476), (4, 19945107), (6, 13296738), (7, 11397204), (9, 8864492), (12, 6648369), (13, 6136956), (14, 5698602), (18, 4432246), (21, 3799068), (26, 3068478), (28, 2849301), (36, 2216123), (39, 2045652), (42, 1899534), (49, 1628172), (52, 1534239), (63, 1266356), (71, 1123668), (78, 1022826), (84, 949767), (91, 876708), (98, 814086), (117, 681884), (126, 633178), (142, 561834), (147, 542724), (156, 511413), (182, 438354), (196, 407043), (213, 374556), (234, 340942), (252, 316589), (273, 292236), (284, 280917), (294, 271362), (343, 232596), (364, 219177), (426, 187278), (441, 180908), (468, 170471), (497, 160524), (546, 146118), (588, 135681), (637, 125244), (639, 124852), (686, 116298), (819, 97412), (852, 93639), (882, 90454), (923, 86436), (994, 80262), (1029, 77532), (1092, 73059), (1274, 62622), (1278, 62426), (1372, 58149), (1491, 53508), (1638, 48706), (1764, 45227), (1846, 43218), (1911, 41748), (1988, 40131), (2058, 38766), (2401, 33228), (2548, 31311), (2556, 31213), (2769, 28812), (2982, 26754), (3087, 25844), (3276, 24353), (3479, 22932), (3692, 21609), (3822, 20874), (4116, 19383), (4459, 17892), (4473, 17836), (4802, 16614), (5538, 14406), (5733, 13916), (5964, 13377), (6174, 12922), (6461, 12348), (6958, 11466), (7203, 11076), (7644, 10437), (8307, 9604), (8918, 8946)]