217507440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47699}}^1$

素因数の和:47734

約数の個数: 80

約数和(自身を含む): 709776000

約数和(自身を除く): 492268560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 47699, 95398, 143097, 190796, 238495, 286194, 381592, 476990, 572388, 715485, 763184, 906281, 953980, 1144776, 1430970, 1812562, 1907960, 2289552, 2718843, 2861940, 3625124, 3815920, 4531405, 5437686, 5723880, 7250248, 9062810, 10875372, 11447760, 13594215, 14500496, 18125620, 21750744, 27188430, 36251240, 43501488, 54376860, 72502480, 108753720, 217507440]

約数ペア:

[(1, 217507440), (2, 108753720), (3, 72502480), (4, 54376860), (5, 43501488), (6, 36251240), (8, 27188430), (10, 21750744), (12, 18125620), (15, 14500496), (16, 13594215), (19, 11447760), (20, 10875372), (24, 9062810), (30, 7250248), (38, 5723880), (40, 5437686), (48, 4531405), (57, 3815920), (60, 3625124), (76, 2861940), (80, 2718843), (95, 2289552), (114, 1907960), (120, 1812562), (152, 1430970), (190, 1144776), (228, 953980), (240, 906281), (285, 763184), (304, 715485), (380, 572388), (456, 476990), (570, 381592), (760, 286194), (912, 238495), (1140, 190796), (1520, 143097), (2280, 95398), (4560, 47699)]