128785020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 450078720

約数和(自身を除く): 321293700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 103, 105, 130, 140, 156, 182, 195, 206, 210, 229, 260, 273, 309, 364, 390, 412, 420, 455, 458, 515, 546, 618, 687, 721, 780, 910, 916, 1030, 1092, 1145, 1236, 1339, 1365, 1374, 1442, 1545, 1603, 1820, 2060, 2163, 2290, 2678, 2730, 2748, 2884, 2977, 3090, 3206, 3435, 3605, 4017, 4326, 4580, 4809, 5356, 5460, 5954, 6180, 6412, 6695, 6870, 7210, 8015, 8034, 8652, 8931, 9373, 9618, 10815, 11908, 13390, 13740, 14420, 14885, 16030, 16068, 17862, 18746, 19236, 20085, 20839, 21630, 23587, 24045, 26780, 28119, 29770, 32060, 35724, 37492, 40170, 41678, 43260, 44655, 46865, 47174, 48090, 56238, 59540, 62517, 70761, 80340, 83356, 89310, 93730, 94348, 96180, 104195, 112476, 117935, 125034, 140595, 141522, 165109, 178620, 187460, 208390, 235870, 250068, 281190, 283044, 306631, 312585, 330218, 353805, 416780, 471740, 495327, 562380, 613262, 625170, 660436, 707610, 825545, 919893, 990654, 1226524, 1250340, 1415220, 1533155, 1651090, 1839786, 1981308, 2146417, 2476635, 3066310, 3302180, 3679572, 4292834, 4599465, 4953270, 6132620, 6439251, 8585668, 9198930, 9906540, 10732085, 12878502, 18397860, 21464170, 25757004, 32196255, 42928340, 64392510, 128785020]

約数ペア:

[(1, 128785020), (2, 64392510), (3, 42928340), (4, 32196255), (5, 25757004), (6, 21464170), (7, 18397860), (10, 12878502), (12, 10732085), (13, 9906540), (14, 9198930), (15, 8585668), (20, 6439251), (21, 6132620), (26, 4953270), (28, 4599465), (30, 4292834), (35, 3679572), (39, 3302180), (42, 3066310), (52, 2476635), (60, 2146417), (65, 1981308), (70, 1839786), (78, 1651090), (84, 1533155), (91, 1415220), (103, 1250340), (105, 1226524), (130, 990654), (140, 919893), (156, 825545), (182, 707610), (195, 660436), (206, 625170), (210, 613262), (229, 562380), (260, 495327), (273, 471740), (309, 416780), (364, 353805), (390, 330218), (412, 312585), (420, 306631), (455, 283044), (458, 281190), (515, 250068), (546, 235870), (618, 208390), (687, 187460), (721, 178620), (780, 165109), (910, 141522), (916, 140595), (1030, 125034), (1092, 117935), (1145, 112476), (1236, 104195), (1339, 96180), (1365, 94348), (1374, 93730), (1442, 89310), (1545, 83356), (1603, 80340), (1820, 70761), (2060, 62517), (2163, 59540), (2290, 56238), (2678, 48090), (2730, 47174), (2748, 46865), (2884, 44655), (2977, 43260), (3090, 41678), (3206, 40170), (3435, 37492), (3605, 35724), (4017, 32060), (4326, 29770), (4580, 28119), (4809, 26780), (5356, 24045), (5460, 23587), (5954, 21630), (6180, 20839), (6412, 20085), (6695, 19236), (6870, 18746), (7210, 17862), (8015, 16068), (8034, 16030), (8652, 14885), (8931, 14420), (9373, 13740), (9618, 13390), (10815, 11908)]