86615680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:474

約数の個数: 128

約数和(自身を含む): 231336000

約数和(自身を除く): 144720320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 419, 544, 608, 640, 646, 680, 760, 838, 1088, 1216, 1292, 1360, 1520, 1615, 1676, 2095, 2176, 2432, 2584, 2720, 3040, 3230, 3352, 4190, 5168, 5440, 6080, 6460, 6704, 7123, 7961, 8380, 10336, 10880, 12160, 12920, 13408, 14246, 15922, 16760, 20672, 25840, 26816, 28492, 31844, 33520, 35615, 39805, 41344, 51680, 53632, 56984, 63688, 67040, 71230, 79610, 103360, 113968, 127376, 134080, 135337, 142460, 159220, 206720, 227936, 254752, 268160, 270674, 284920, 318440, 455872, 509504, 541348, 569840, 636880, 676685, 911744, 1019008, 1082696, 1139680, 1273760, 1353370, 2165392, 2279360, 2547520, 2706740, 4330784, 4558720, 5095040, 5413480, 8661568, 10826960, 17323136, 21653920, 43307840, 86615680]

約数ペア:

[(1, 86615680), (2, 43307840), (4, 21653920), (5, 17323136), (8, 10826960), (10, 8661568), (16, 5413480), (17, 5095040), (19, 4558720), (20, 4330784), (32, 2706740), (34, 2547520), (38, 2279360), (40, 2165392), (64, 1353370), (68, 1273760), (76, 1139680), (80, 1082696), (85, 1019008), (95, 911744), (128, 676685), (136, 636880), (152, 569840), (160, 541348), (170, 509504), (190, 455872), (272, 318440), (304, 284920), (320, 270674), (323, 268160), (340, 254752), (380, 227936), (419, 206720), (544, 159220), (608, 142460), (640, 135337), (646, 134080), (680, 127376), (760, 113968), (838, 103360), (1088, 79610), (1216, 71230), (1292, 67040), (1360, 63688), (1520, 56984), (1615, 53632), (1676, 51680), (2095, 41344), (2176, 39805), (2432, 35615), (2584, 33520), (2720, 31844), (3040, 28492), (3230, 26816), (3352, 25840), (4190, 20672), (5168, 16760), (5440, 15922), (6080, 14246), (6460, 13408), (6704, 12920), (7123, 12160), (7961, 10880), (8380, 10336)]