78306720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 265192704

約数和(自身を除く): 186885984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 48, 60, 69, 80, 82, 92, 96, 115, 120, 123, 138, 160, 164, 173, 184, 205, 230, 240, 246, 276, 328, 345, 346, 368, 410, 460, 480, 492, 519, 552, 615, 656, 690, 692, 736, 820, 865, 920, 943, 984, 1038, 1104, 1230, 1312, 1380, 1384, 1640, 1730, 1840, 1886, 1968, 2076, 2208, 2460, 2595, 2760, 2768, 2829, 3280, 3460, 3680, 3772, 3936, 3979, 4152, 4715, 4920, 5190, 5520, 5536, 5658, 6560, 6920, 7093, 7544, 7958, 8304, 9430, 9840, 10380, 11040, 11316, 11937, 13840, 14145, 14186, 15088, 15916, 16608, 18860, 19680, 19895, 20760, 21279, 22632, 23874, 27680, 28290, 28372, 30176, 31832, 35465, 37720, 39790, 41520, 42558, 45264, 47748, 56580, 56744, 59685, 63664, 70930, 75440, 79580, 83040, 85116, 90528, 95496, 106395, 113160, 113488, 119370, 127328, 141860, 150880, 159160, 163139, 170232, 190992, 212790, 226320, 226976, 238740, 283720, 318320, 326278, 340464, 381984, 425580, 452640, 477480, 489417, 567440, 636640, 652556, 680928, 815695, 851160, 954960, 978834, 1134880, 1305112, 1631390, 1702320, 1909920, 1957668, 2447085, 2610224, 3262780, 3404640, 3915336, 4894170, 5220448, 6525560, 7830672, 9788340, 13051120, 15661344, 19576680, 26102240, 39153360, 78306720]

約数ペア:

[(1, 78306720), (2, 39153360), (3, 26102240), (4, 19576680), (5, 15661344), (6, 13051120), (8, 9788340), (10, 7830672), (12, 6525560), (15, 5220448), (16, 4894170), (20, 3915336), (23, 3404640), (24, 3262780), (30, 2610224), (32, 2447085), (40, 1957668), (41, 1909920), (46, 1702320), (48, 1631390), (60, 1305112), (69, 1134880), (80, 978834), (82, 954960), (92, 851160), (96, 815695), (115, 680928), (120, 652556), (123, 636640), (138, 567440), (160, 489417), (164, 477480), (173, 452640), (184, 425580), (205, 381984), (230, 340464), (240, 326278), (246, 318320), (276, 283720), (328, 238740), (345, 226976), (346, 226320), (368, 212790), (410, 190992), (460, 170232), (480, 163139), (492, 159160), (519, 150880), (552, 141860), (615, 127328), (656, 119370), (690, 113488), (692, 113160), (736, 106395), (820, 95496), (865, 90528), (920, 85116), (943, 83040), (984, 79580), (1038, 75440), (1104, 70930), (1230, 63664), (1312, 59685), (1380, 56744), (1384, 56580), (1640, 47748), (1730, 45264), (1840, 42558), (1886, 41520), (1968, 39790), (2076, 37720), (2208, 35465), (2460, 31832), (2595, 30176), (2760, 28372), (2768, 28290), (2829, 27680), (3280, 23874), (3460, 22632), (3680, 21279), (3772, 20760), (3936, 19895), (3979, 19680), (4152, 18860), (4715, 16608), (4920, 15916), (5190, 15088), (5520, 14186), (5536, 14145), (5658, 13840), (6560, 11937), (6920, 11316), (7093, 11040), (7544, 10380), (7958, 9840), (8304, 9430)]