31508820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1471}}^1$

素因数の和:1510

約数の個数: 144

約数和(自身を含む): 115734528

約数和(自身を除く): 84225708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1471, 1530, 1785, 2142, 2380, 2942, 3060, 3570, 4284, 4413, 5355, 5884, 7140, 7355, 8826, 10297, 10710, 13239, 14710, 17652, 20594, 21420, 22065, 25007, 26478, 29420, 30891, 41188, 44130, 50014, 51485, 52956, 61782, 66195, 75021, 88260, 92673, 100028, 102970, 123564, 125035, 132390, 150042, 154455, 175049, 185346, 205940, 225063, 250070, 264780, 300084, 308910, 350098, 370692, 375105, 450126, 463365, 500140, 525147, 617820, 700196, 750210, 875245, 900252, 926730, 1050294, 1125315, 1500420, 1575441, 1750490, 1853460, 2100588, 2250630, 2625735, 3150882, 3500980, 4501260, 5251470, 6301764, 7877205, 10502940, 15754410, 31508820]

約数ペア:

[(1, 31508820), (2, 15754410), (3, 10502940), (4, 7877205), (5, 6301764), (6, 5251470), (7, 4501260), (9, 3500980), (10, 3150882), (12, 2625735), (14, 2250630), (15, 2100588), (17, 1853460), (18, 1750490), (20, 1575441), (21, 1500420), (28, 1125315), (30, 1050294), (34, 926730), (35, 900252), (36, 875245), (42, 750210), (45, 700196), (51, 617820), (60, 525147), (63, 500140), (68, 463365), (70, 450126), (84, 375105), (85, 370692), (90, 350098), (102, 308910), (105, 300084), (119, 264780), (126, 250070), (140, 225063), (153, 205940), (170, 185346), (180, 175049), (204, 154455), (210, 150042), (238, 132390), (252, 125035), (255, 123564), (306, 102970), (315, 100028), (340, 92673), (357, 88260), (420, 75021), (476, 66195), (510, 61782), (595, 52956), (612, 51485), (630, 50014), (714, 44130), (765, 41188), (1020, 30891), (1071, 29420), (1190, 26478), (1260, 25007), (1428, 22065), (1471, 21420), (1530, 20594), (1785, 17652), (2142, 14710), (2380, 13239), (2942, 10710), (3060, 10297), (3570, 8826), (4284, 7355), (4413, 7140), (5355, 5884)]