281161320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6871}}^1$

素因数の和:6927

約数の個数: 128

約数和(自身を含む): 949985280

約数和(自身を除く): 668823960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 6820, 6871, 8184, 10230, 13640, 13742, 20460, 20613, 27484, 34355, 40920, 41226, 54968, 68710, 75581, 82452, 103065, 137420, 151162, 164904, 206130, 213001, 226743, 274840, 302324, 377905, 412260, 426002, 453486, 604648, 639003, 755810, 824520, 852004, 906972, 1065005, 1133715, 1278006, 1511620, 1704008, 1813944, 2130010, 2267430, 2343011, 2556012, 3023240, 3195015, 4260020, 4534860, 4686022, 5112024, 6390030, 7029033, 8520040, 9069720, 9372044, 11715055, 12780060, 14058066, 18744088, 23430110, 25560120, 28116132, 35145165, 46860220, 56232264, 70290330, 93720440, 140580660, 281161320]

約数ペア:

[(1, 281161320), (2, 140580660), (3, 93720440), (4, 70290330), (5, 56232264), (6, 46860220), (8, 35145165), (10, 28116132), (11, 25560120), (12, 23430110), (15, 18744088), (20, 14058066), (22, 12780060), (24, 11715055), (30, 9372044), (31, 9069720), (33, 8520040), (40, 7029033), (44, 6390030), (55, 5112024), (60, 4686022), (62, 4534860), (66, 4260020), (88, 3195015), (93, 3023240), (110, 2556012), (120, 2343011), (124, 2267430), (132, 2130010), (155, 1813944), (165, 1704008), (186, 1511620), (220, 1278006), (248, 1133715), (264, 1065005), (310, 906972), (330, 852004), (341, 824520), (372, 755810), (440, 639003), (465, 604648), (620, 453486), (660, 426002), (682, 412260), (744, 377905), (930, 302324), (1023, 274840), (1240, 226743), (1320, 213001), (1364, 206130), (1705, 164904), (1860, 151162), (2046, 137420), (2728, 103065), (3410, 82452), (3720, 75581), (4092, 68710), (5115, 54968), (6820, 41226), (6871, 40920), (8184, 34355), (10230, 27484), (13640, 20613), (13742, 20460)]