40723920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:529

約数の個数: 120

約数和(自身を含む): 138000096

約数和(自身を除く): 97276176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 347, 360, 489, 652, 694, 720, 815, 978, 1041, 1304, 1388, 1467, 1630, 1735, 1956, 2082, 2445, 2608, 2776, 2934, 3123, 3260, 3470, 3912, 4164, 4890, 5205, 5552, 5868, 6246, 6520, 6940, 7335, 7824, 8328, 9780, 10410, 11736, 12492, 13040, 13880, 14670, 15615, 16656, 19560, 20820, 23472, 24984, 27760, 29340, 31230, 39120, 41640, 49968, 56561, 58680, 62460, 83280, 113122, 117360, 124920, 169683, 226244, 249840, 282805, 339366, 452488, 509049, 565610, 678732, 848415, 904976, 1018098, 1131220, 1357464, 1696830, 2036196, 2262440, 2545245, 2714928, 3393660, 4072392, 4524880, 5090490, 6787320, 8144784, 10180980, 13574640, 20361960, 40723920]

約数ペア:

[(1, 40723920), (2, 20361960), (3, 13574640), (4, 10180980), (5, 8144784), (6, 6787320), (8, 5090490), (9, 4524880), (10, 4072392), (12, 3393660), (15, 2714928), (16, 2545245), (18, 2262440), (20, 2036196), (24, 1696830), (30, 1357464), (36, 1131220), (40, 1018098), (45, 904976), (48, 848415), (60, 678732), (72, 565610), (80, 509049), (90, 452488), (120, 339366), (144, 282805), (163, 249840), (180, 226244), (240, 169683), (326, 124920), (347, 117360), (360, 113122), (489, 83280), (652, 62460), (694, 58680), (720, 56561), (815, 49968), (978, 41640), (1041, 39120), (1304, 31230), (1388, 29340), (1467, 27760), (1630, 24984), (1735, 23472), (1956, 20820), (2082, 19560), (2445, 16656), (2608, 15615), (2776, 14670), (2934, 13880), (3123, 13040), (3260, 12492), (3470, 11736), (3912, 10410), (4164, 9780), (4890, 8328), (5205, 7824), (5552, 7335), (5868, 6940), (6246, 6520)]