1200800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 72

約数和(自身を含む): 3124800

約数和(自身を除く): 1924000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 79, 80, 95, 100, 152, 158, 160, 190, 200, 304, 316, 380, 395, 400, 475, 608, 632, 760, 790, 800, 950, 1264, 1501, 1520, 1580, 1900, 1975, 2528, 3002, 3040, 3160, 3800, 3950, 6004, 6320, 7505, 7600, 7900, 12008, 12640, 15010, 15200, 15800, 24016, 30020, 31600, 37525, 48032, 60040, 63200, 75050, 120080, 150100, 240160, 300200, 600400, 1200800]

約数ペア:

[(1, 1200800), (2, 600400), (4, 300200), (5, 240160), (8, 150100), (10, 120080), (16, 75050), (19, 63200), (20, 60040), (25, 48032), (32, 37525), (38, 31600), (40, 30020), (50, 24016), (76, 15800), (79, 15200), (80, 15010), (95, 12640), (100, 12008), (152, 7900), (158, 7600), (160, 7505), (190, 6320), (200, 6004), (304, 3950), (316, 3800), (380, 3160), (395, 3040), (400, 3002), (475, 2528), (608, 1975), (632, 1900), (760, 1580), (790, 1520), (800, 1501), (950, 1264)]