64518120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19913}}^1$

素因数の和:19936

約数の個数: 80

約数和(自身を含む): 216863460

約数和(自身を除く): 152345340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 19913, 39826, 59739, 79652, 99565, 119478, 159304, 179217, 199130, 238956, 298695, 358434, 398260, 477912, 537651, 597390, 716868, 796520, 896085, 1075302, 1194780, 1433736, 1612953, 1792170, 2150604, 2389560, 2688255, 3225906, 3584340, 4301208, 5376510, 6451812, 7168680, 8064765, 10753020, 12903624, 16129530, 21506040, 32259060, 64518120]

約数ペア:

[(1, 64518120), (2, 32259060), (3, 21506040), (4, 16129530), (5, 12903624), (6, 10753020), (8, 8064765), (9, 7168680), (10, 6451812), (12, 5376510), (15, 4301208), (18, 3584340), (20, 3225906), (24, 2688255), (27, 2389560), (30, 2150604), (36, 1792170), (40, 1612953), (45, 1433736), (54, 1194780), (60, 1075302), (72, 896085), (81, 796520), (90, 716868), (108, 597390), (120, 537651), (135, 477912), (162, 398260), (180, 358434), (216, 298695), (270, 238956), (324, 199130), (360, 179217), (405, 159304), (540, 119478), (648, 99565), (810, 79652), (1080, 59739), (1620, 39826), (3240, 19913)]