78985680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 160

約数和(自身を含む): 262483200

約数和(自身を除く): 183497520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 41, 46, 48, 60, 69, 80, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 240, 246, 276, 328, 345, 349, 368, 410, 460, 492, 552, 615, 656, 690, 698, 820, 920, 943, 984, 1047, 1104, 1230, 1380, 1396, 1640, 1745, 1840, 1886, 1968, 2094, 2460, 2760, 2792, 2829, 3280, 3490, 3772, 4188, 4715, 4920, 5235, 5520, 5584, 5658, 6980, 7544, 8027, 8376, 9430, 9840, 10470, 11316, 13960, 14145, 14309, 15088, 16054, 16752, 18860, 20940, 22632, 24081, 27920, 28290, 28618, 32108, 37720, 40135, 41880, 42927, 45264, 48162, 56580, 57236, 64216, 71545, 75440, 80270, 83760, 85854, 96324, 113160, 114472, 120405, 128432, 143090, 160540, 171708, 192648, 214635, 226320, 228944, 240810, 286180, 321080, 329107, 343416, 385296, 429270, 481620, 572360, 642160, 658214, 686832, 858540, 963240, 987321, 1144720, 1316428, 1645535, 1717080, 1926480, 1974642, 2632856, 3291070, 3434160, 3949284, 4936605, 5265712, 6582140, 7898568, 9873210, 13164280, 15797136, 19746420, 26328560, 39492840, 78985680]

約数ペア:

[(1, 78985680), (2, 39492840), (3, 26328560), (4, 19746420), (5, 15797136), (6, 13164280), (8, 9873210), (10, 7898568), (12, 6582140), (15, 5265712), (16, 4936605), (20, 3949284), (23, 3434160), (24, 3291070), (30, 2632856), (40, 1974642), (41, 1926480), (46, 1717080), (48, 1645535), (60, 1316428), (69, 1144720), (80, 987321), (82, 963240), (92, 858540), (115, 686832), (120, 658214), (123, 642160), (138, 572360), (164, 481620), (184, 429270), (205, 385296), (230, 343416), (240, 329107), (246, 321080), (276, 286180), (328, 240810), (345, 228944), (349, 226320), (368, 214635), (410, 192648), (460, 171708), (492, 160540), (552, 143090), (615, 128432), (656, 120405), (690, 114472), (698, 113160), (820, 96324), (920, 85854), (943, 83760), (984, 80270), (1047, 75440), (1104, 71545), (1230, 64216), (1380, 57236), (1396, 56580), (1640, 48162), (1745, 45264), (1840, 42927), (1886, 41880), (1968, 40135), (2094, 37720), (2460, 32108), (2760, 28618), (2792, 28290), (2829, 27920), (3280, 24081), (3490, 22632), (3772, 20940), (4188, 18860), (4715, 16752), (4920, 16054), (5235, 15088), (5520, 14309), (5584, 14145), (5658, 13960), (6980, 11316), (7544, 10470), (8027, 9840), (8376, 9430)]