16871220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 53088000

約数和(自身を除く): 36216780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 157, 180, 199, 270, 314, 398, 471, 540, 597, 628, 785, 796, 942, 995, 1194, 1413, 1570, 1791, 1884, 1990, 2355, 2388, 2826, 2985, 3140, 3582, 3980, 4239, 4710, 5373, 5652, 5970, 7065, 7164, 8478, 8955, 9420, 10746, 11940, 14130, 16956, 17910, 21195, 21492, 26865, 28260, 31243, 35820, 42390, 53730, 62486, 84780, 93729, 107460, 124972, 156215, 187458, 281187, 312430, 374916, 468645, 562374, 624860, 843561, 937290, 1124748, 1405935, 1687122, 1874580, 2811870, 3374244, 4217805, 5623740, 8435610, 16871220]

約数ペア:

[(1, 16871220), (2, 8435610), (3, 5623740), (4, 4217805), (5, 3374244), (6, 2811870), (9, 1874580), (10, 1687122), (12, 1405935), (15, 1124748), (18, 937290), (20, 843561), (27, 624860), (30, 562374), (36, 468645), (45, 374916), (54, 312430), (60, 281187), (90, 187458), (108, 156215), (135, 124972), (157, 107460), (180, 93729), (199, 84780), (270, 62486), (314, 53730), (398, 42390), (471, 35820), (540, 31243), (597, 28260), (628, 26865), (785, 21492), (796, 21195), (942, 17910), (995, 16956), (1194, 14130), (1413, 11940), (1570, 10746), (1791, 9420), (1884, 8955), (1990, 8478), (2355, 7164), (2388, 7065), (2826, 5970), (2985, 5652), (3140, 5373), (3582, 4710), (3980, 4239)]