90315520

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1965

約数の個数: 72

約数和(自身を含む): 222297264

約数和(自身を除く): 131981744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 1907, 2368, 2960, 3814, 4736, 5920, 7628, 9472, 9535, 11840, 15256, 19070, 23680, 30512, 38140, 47360, 61024, 70559, 76280, 122048, 141118, 152560, 244096, 282236, 305120, 352795, 488192, 564472, 610240, 705590, 1128944, 1220480, 1411180, 2257888, 2440960, 2822360, 4515776, 5644720, 9031552, 11289440, 18063104, 22578880, 45157760, 90315520]

約数ペア:

[(1, 90315520), (2, 45157760), (4, 22578880), (5, 18063104), (8, 11289440), (10, 9031552), (16, 5644720), (20, 4515776), (32, 2822360), (37, 2440960), (40, 2257888), (64, 1411180), (74, 1220480), (80, 1128944), (128, 705590), (148, 610240), (160, 564472), (185, 488192), (256, 352795), (296, 305120), (320, 282236), (370, 244096), (592, 152560), (640, 141118), (740, 122048), (1184, 76280), (1280, 70559), (1480, 61024), (1907, 47360), (2368, 38140), (2960, 30512), (3814, 23680), (4736, 19070), (5920, 15256), (7628, 11840), (9472, 9535)]