61387440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 202653696

約数和(自身を除く): 141266256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 37, 40, 48, 60, 62, 74, 80, 93, 111, 120, 124, 148, 155, 185, 186, 222, 223, 240, 248, 296, 310, 370, 372, 444, 446, 465, 496, 555, 592, 620, 669, 740, 744, 888, 892, 930, 1110, 1115, 1147, 1240, 1338, 1480, 1488, 1776, 1784, 1860, 2220, 2230, 2294, 2480, 2676, 2960, 3345, 3441, 3568, 3720, 4440, 4460, 4588, 5352, 5735, 6690, 6882, 6913, 7440, 8251, 8880, 8920, 9176, 10704, 11470, 13380, 13764, 13826, 16502, 17205, 17840, 18352, 20739, 22940, 24753, 26760, 27528, 27652, 33004, 34410, 34565, 41255, 41478, 45880, 49506, 53520, 55056, 55304, 66008, 68820, 69130, 82510, 82956, 91760, 99012, 103695, 110608, 123765, 132016, 137640, 138260, 165020, 165912, 198024, 207390, 247530, 255781, 275280, 276520, 330040, 331824, 396048, 414780, 495060, 511562, 553040, 660080, 767343, 829560, 990120, 1023124, 1278905, 1534686, 1659120, 1980240, 2046248, 2557810, 3069372, 3836715, 4092496, 5115620, 6138744, 7673430, 10231240, 12277488, 15346860, 20462480, 30693720, 61387440]

約数ペア:

[(1, 61387440), (2, 30693720), (3, 20462480), (4, 15346860), (5, 12277488), (6, 10231240), (8, 7673430), (10, 6138744), (12, 5115620), (15, 4092496), (16, 3836715), (20, 3069372), (24, 2557810), (30, 2046248), (31, 1980240), (37, 1659120), (40, 1534686), (48, 1278905), (60, 1023124), (62, 990120), (74, 829560), (80, 767343), (93, 660080), (111, 553040), (120, 511562), (124, 495060), (148, 414780), (155, 396048), (185, 331824), (186, 330040), (222, 276520), (223, 275280), (240, 255781), (248, 247530), (296, 207390), (310, 198024), (370, 165912), (372, 165020), (444, 138260), (446, 137640), (465, 132016), (496, 123765), (555, 110608), (592, 103695), (620, 99012), (669, 91760), (740, 82956), (744, 82510), (888, 69130), (892, 68820), (930, 66008), (1110, 55304), (1115, 55056), (1147, 53520), (1240, 49506), (1338, 45880), (1480, 41478), (1488, 41255), (1776, 34565), (1784, 34410), (1860, 33004), (2220, 27652), (2230, 27528), (2294, 26760), (2480, 24753), (2676, 22940), (2960, 20739), (3345, 18352), (3441, 17840), (3568, 17205), (3720, 16502), (4440, 13826), (4460, 13764), (4588, 13380), (5352, 11470), (5735, 10704), (6690, 9176), (6882, 8920), (6913, 8880), (7440, 8251)]