81618000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 160

約数和(自身を含む): 268649472

約数和(自身を除く): 187031472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 61, 75, 80, 100, 120, 122, 125, 150, 183, 200, 223, 240, 244, 250, 300, 305, 366, 375, 400, 446, 488, 500, 600, 610, 669, 732, 750, 892, 915, 976, 1000, 1115, 1200, 1220, 1338, 1464, 1500, 1525, 1784, 1830, 2000, 2230, 2440, 2676, 2928, 3000, 3050, 3345, 3568, 3660, 4460, 4575, 4880, 5352, 5575, 6000, 6100, 6690, 7320, 7625, 8920, 9150, 10704, 11150, 12200, 13380, 13603, 14640, 15250, 16725, 17840, 18300, 22300, 22875, 24400, 26760, 27206, 27875, 30500, 33450, 36600, 40809, 44600, 45750, 53520, 54412, 55750, 61000, 66900, 68015, 73200, 81618, 83625, 89200, 91500, 108824, 111500, 122000, 133800, 136030, 163236, 167250, 183000, 204045, 217648, 223000, 267600, 272060, 326472, 334500, 340075, 366000, 408090, 446000, 544120, 652944, 669000, 680150, 816180, 1020225, 1088240, 1338000, 1360300, 1632360, 1700375, 2040450, 2720600, 3264720, 3400750, 4080900, 5101125, 5441200, 6801500, 8161800, 10202250, 13603000, 16323600, 20404500, 27206000, 40809000, 81618000]

約数ペア:

[(1, 81618000), (2, 40809000), (3, 27206000), (4, 20404500), (5, 16323600), (6, 13603000), (8, 10202250), (10, 8161800), (12, 6801500), (15, 5441200), (16, 5101125), (20, 4080900), (24, 3400750), (25, 3264720), (30, 2720600), (40, 2040450), (48, 1700375), (50, 1632360), (60, 1360300), (61, 1338000), (75, 1088240), (80, 1020225), (100, 816180), (120, 680150), (122, 669000), (125, 652944), (150, 544120), (183, 446000), (200, 408090), (223, 366000), (240, 340075), (244, 334500), (250, 326472), (300, 272060), (305, 267600), (366, 223000), (375, 217648), (400, 204045), (446, 183000), (488, 167250), (500, 163236), (600, 136030), (610, 133800), (669, 122000), (732, 111500), (750, 108824), (892, 91500), (915, 89200), (976, 83625), (1000, 81618), (1115, 73200), (1200, 68015), (1220, 66900), (1338, 61000), (1464, 55750), (1500, 54412), (1525, 53520), (1784, 45750), (1830, 44600), (2000, 40809), (2230, 36600), (2440, 33450), (2676, 30500), (2928, 27875), (3000, 27206), (3050, 26760), (3345, 24400), (3568, 22875), (3660, 22300), (4460, 18300), (4575, 17840), (4880, 16725), (5352, 15250), (5575, 14640), (6000, 13603), (6100, 13380), (6690, 12200), (7320, 11150), (7625, 10704), (8920, 9150)]