888978420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1747}}^1$

素因数の和:2030

約数の個数: 144

約数和(自身を含む): 2954847168

約数和(自身を除く): 2065868748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 257, 330, 396, 495, 514, 660, 771, 990, 1028, 1285, 1542, 1747, 1980, 2313, 2570, 2827, 3084, 3494, 3855, 4626, 5140, 5241, 5654, 6988, 7710, 8481, 8735, 9252, 10482, 11308, 11565, 14135, 15420, 15723, 16962, 17470, 19217, 20964, 23130, 25443, 26205, 28270, 31446, 33924, 34940, 38434, 42405, 46260, 50886, 52410, 56540, 57651, 62892, 76868, 78615, 84810, 96085, 101772, 104820, 115302, 127215, 157230, 169620, 172953, 192170, 230604, 254430, 288255, 314460, 345906, 384340, 448979, 508860, 576510, 691812, 864765, 897958, 1153020, 1346937, 1729530, 1795916, 2244895, 2693874, 3459060, 4040811, 4489790, 4938769, 5387748, 6734685, 8081622, 8979580, 9877538, 13469370, 14816307, 16163244, 19755076, 20204055, 24693845, 26938740, 29632614, 40408110, 44448921, 49387690, 59265228, 74081535, 80816220, 88897842, 98775380, 148163070, 177795684, 222244605, 296326140, 444489210, 888978420]

約数ペア:

[(1, 888978420), (2, 444489210), (3, 296326140), (4, 222244605), (5, 177795684), (6, 148163070), (9, 98775380), (10, 88897842), (11, 80816220), (12, 74081535), (15, 59265228), (18, 49387690), (20, 44448921), (22, 40408110), (30, 29632614), (33, 26938740), (36, 24693845), (44, 20204055), (45, 19755076), (55, 16163244), (60, 14816307), (66, 13469370), (90, 9877538), (99, 8979580), (110, 8081622), (132, 6734685), (165, 5387748), (180, 4938769), (198, 4489790), (220, 4040811), (257, 3459060), (330, 2693874), (396, 2244895), (495, 1795916), (514, 1729530), (660, 1346937), (771, 1153020), (990, 897958), (1028, 864765), (1285, 691812), (1542, 576510), (1747, 508860), (1980, 448979), (2313, 384340), (2570, 345906), (2827, 314460), (3084, 288255), (3494, 254430), (3855, 230604), (4626, 192170), (5140, 172953), (5241, 169620), (5654, 157230), (6988, 127215), (7710, 115302), (8481, 104820), (8735, 101772), (9252, 96085), (10482, 84810), (11308, 78615), (11565, 76868), (14135, 62892), (15420, 57651), (15723, 56540), (16962, 52410), (17470, 50886), (19217, 46260), (20964, 42405), (23130, 38434), (25443, 34940), (26205, 33924), (28270, 31446)]