388865520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1289}}^1$

素因数の和:1727

約数の個数: 120

約数和(自身を含む): 1310072400

約数和(自身を除く): 921206880

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, 180, 240, 360, 419, 720, 838, 1257, 1289, 1676, 2095, 2514, 2578, 3352, 3771, 3867, 4190, 5028, 5156, 6285, 6445, 6704, 7542, 7734, 8380, 10056, 10312, 11601, 12570, 12890, 15084, 15468, 16760, 18855, 19335, 20112, 20624, 23202, 25140, 25780, 30168, 30936, 33520, 37710, 38670, 46404, 50280, 51560, 58005, 60336, 61872, 75420, 77340, 92808, 100560, 103120, 116010, 150840, 154680, 185616, 232020, 301680, 309360, 464040, 540091, 928080, 1080182, 1620273, 2160364, 2700455, 3240546, 4320728, 4860819, 5400910, 6481092, 8101365, 8641456, 9721638, 10801820, 12962184, 16202730, 19443276, 21603640, 24304095, 25924368, 32405460, 38886552, 43207280, 48608190, 64810920, 77773104, 97216380, 129621840, 194432760, 388865520]

約数ペア:

[(1, 388865520), (2, 194432760), (3, 129621840), (4, 97216380), (5, 77773104), (6, 64810920), (8, 48608190), (9, 43207280), (10, 38886552), (12, 32405460), (15, 25924368), (16, 24304095), (18, 21603640), (20, 19443276), (24, 16202730), (30, 12962184), (36, 10801820), (40, 9721638), (45, 8641456), (48, 8101365), (60, 6481092), (72, 5400910), (80, 4860819), (90, 4320728), (120, 3240546), (144, 2700455), (180, 2160364), (240, 1620273), (360, 1080182), (419, 928080), (720, 540091), (838, 464040), (1257, 309360), (1289, 301680), (1676, 232020), (2095, 185616), (2514, 154680), (2578, 150840), (3352, 116010), (3771, 103120), (3867, 100560), (4190, 92808), (5028, 77340), (5156, 75420), (6285, 61872), (6445, 60336), (6704, 58005), (7542, 51560), (7734, 50280), (8380, 46404), (10056, 38670), (10312, 37710), (11601, 33520), (12570, 30936), (12890, 30168), (15084, 25780), (15468, 25140), (16760, 23202), (18855, 20624), (19335, 20112)]