309425880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:641

約数の個数: 128

約数和(自身を含む): 965099520

約数和(自身を除く): 655673640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 223, 248, 310, 372, 373, 446, 465, 620, 669, 744, 746, 892, 930, 1115, 1119, 1240, 1338, 1492, 1784, 1860, 1865, 2230, 2238, 2676, 2984, 3345, 3720, 3730, 4460, 4476, 5352, 5595, 6690, 6913, 7460, 8920, 8952, 11190, 11563, 13380, 13826, 14920, 20739, 22380, 23126, 26760, 27652, 34565, 34689, 41478, 44760, 46252, 55304, 57815, 69130, 69378, 82956, 83179, 92504, 103695, 115630, 138260, 138756, 165912, 166358, 173445, 207390, 231260, 249537, 276520, 277512, 332716, 346890, 414780, 415895, 462520, 499074, 665432, 693780, 829560, 831790, 998148, 1247685, 1387560, 1663580, 1996296, 2495370, 2578549, 3327160, 4990740, 5157098, 7735647, 9981480, 10314196, 12892745, 15471294, 20628392, 25785490, 30942588, 38678235, 51570980, 61885176, 77356470, 103141960, 154712940, 309425880]

約数ペア:

[(1, 309425880), (2, 154712940), (3, 103141960), (4, 77356470), (5, 61885176), (6, 51570980), (8, 38678235), (10, 30942588), (12, 25785490), (15, 20628392), (20, 15471294), (24, 12892745), (30, 10314196), (31, 9981480), (40, 7735647), (60, 5157098), (62, 4990740), (93, 3327160), (120, 2578549), (124, 2495370), (155, 1996296), (186, 1663580), (223, 1387560), (248, 1247685), (310, 998148), (372, 831790), (373, 829560), (446, 693780), (465, 665432), (620, 499074), (669, 462520), (744, 415895), (746, 414780), (892, 346890), (930, 332716), (1115, 277512), (1119, 276520), (1240, 249537), (1338, 231260), (1492, 207390), (1784, 173445), (1860, 166358), (1865, 165912), (2230, 138756), (2238, 138260), (2676, 115630), (2984, 103695), (3345, 92504), (3720, 83179), (3730, 82956), (4460, 69378), (4476, 69130), (5352, 57815), (5595, 55304), (6690, 46252), (6913, 44760), (7460, 41478), (8920, 34689), (8952, 34565), (11190, 27652), (11563, 26760), (13380, 23126), (13826, 22380), (14920, 20739)]