31867860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 95558400

約数和(自身を除く): 63690540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 157, 170, 199, 204, 255, 314, 340, 398, 471, 510, 597, 628, 785, 796, 942, 995, 1020, 1194, 1570, 1884, 1990, 2355, 2388, 2669, 2985, 3140, 3383, 3980, 4710, 5338, 5970, 6766, 8007, 9420, 10149, 10676, 11940, 13345, 13532, 16014, 16915, 20298, 26690, 31243, 32028, 33830, 40035, 40596, 50745, 53380, 62486, 67660, 80070, 93729, 101490, 124972, 156215, 160140, 187458, 202980, 312430, 374916, 468645, 531131, 624860, 937290, 1062262, 1593393, 1874580, 2124524, 2655655, 3186786, 5311310, 6373572, 7966965, 10622620, 15933930, 31867860]

約数ペア:

[(1, 31867860), (2, 15933930), (3, 10622620), (4, 7966965), (5, 6373572), (6, 5311310), (10, 3186786), (12, 2655655), (15, 2124524), (17, 1874580), (20, 1593393), (30, 1062262), (34, 937290), (51, 624860), (60, 531131), (68, 468645), (85, 374916), (102, 312430), (157, 202980), (170, 187458), (199, 160140), (204, 156215), (255, 124972), (314, 101490), (340, 93729), (398, 80070), (471, 67660), (510, 62486), (597, 53380), (628, 50745), (785, 40596), (796, 40035), (942, 33830), (995, 32028), (1020, 31243), (1194, 26690), (1570, 20298), (1884, 16915), (1990, 16014), (2355, 13532), (2388, 13345), (2669, 11940), (2985, 10676), (3140, 10149), (3383, 9420), (3980, 8007), (4710, 6766), (5338, 5970)]