30693720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 98058240

約数和(自身を除く): 67364520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 223, 248, 296, 310, 370, 372, 444, 446, 465, 555, 620, 669, 740, 744, 888, 892, 930, 1110, 1115, 1147, 1240, 1338, 1480, 1784, 1860, 2220, 2230, 2294, 2676, 3345, 3441, 3720, 4440, 4460, 4588, 5352, 5735, 6690, 6882, 6913, 8251, 8920, 9176, 11470, 13380, 13764, 13826, 16502, 17205, 20739, 22940, 24753, 26760, 27528, 27652, 33004, 34410, 34565, 41255, 41478, 45880, 49506, 55304, 66008, 68820, 69130, 82510, 82956, 99012, 103695, 123765, 137640, 138260, 165020, 165912, 198024, 207390, 247530, 255781, 276520, 330040, 414780, 495060, 511562, 767343, 829560, 990120, 1023124, 1278905, 1534686, 2046248, 2557810, 3069372, 3836715, 5115620, 6138744, 7673430, 10231240, 15346860, 30693720]

約数ペア:

[(1, 30693720), (2, 15346860), (3, 10231240), (4, 7673430), (5, 6138744), (6, 5115620), (8, 3836715), (10, 3069372), (12, 2557810), (15, 2046248), (20, 1534686), (24, 1278905), (30, 1023124), (31, 990120), (37, 829560), (40, 767343), (60, 511562), (62, 495060), (74, 414780), (93, 330040), (111, 276520), (120, 255781), (124, 247530), (148, 207390), (155, 198024), (185, 165912), (186, 165020), (222, 138260), (223, 137640), (248, 123765), (296, 103695), (310, 99012), (370, 82956), (372, 82510), (444, 69130), (446, 68820), (465, 66008), (555, 55304), (620, 49506), (669, 45880), (740, 41478), (744, 41255), (888, 34565), (892, 34410), (930, 33004), (1110, 27652), (1115, 27528), (1147, 26760), (1240, 24753), (1338, 22940), (1480, 20739), (1784, 17205), (1860, 16502), (2220, 13826), (2230, 13764), (2294, 13380), (2676, 11470), (3345, 9176), (3441, 8920), (3720, 8251), (4440, 6913), (4460, 6882), (4588, 6690), (5352, 5735)]