128251836

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{113}}^2$

素因数の和:273

約数の個数: 90

約数和(自身を含む): 349180832

約数和(自身を除く): 220928996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 113, 124, 162, 186, 226, 279, 324, 339, 372, 452, 558, 678, 837, 1017, 1116, 1356, 1674, 2034, 2511, 3051, 3348, 3503, 4068, 5022, 6102, 7006, 9153, 10044, 10509, 12204, 12769, 14012, 18306, 21018, 25538, 31527, 36612, 38307, 42036, 51076, 63054, 76614, 94581, 114921, 126108, 153228, 189162, 229842, 283743, 344763, 378324, 395839, 459684, 567486, 689526, 791678, 1034289, 1134972, 1187517, 1379052, 1583356, 2068578, 2375034, 3562551, 4137156, 4750068, 7125102, 10687653, 14250204, 21375306, 32062959, 42750612, 64125918, 128251836]

約数ペア:

[(1, 128251836), (2, 64125918), (3, 42750612), (4, 32062959), (6, 21375306), (9, 14250204), (12, 10687653), (18, 7125102), (27, 4750068), (31, 4137156), (36, 3562551), (54, 2375034), (62, 2068578), (81, 1583356), (93, 1379052), (108, 1187517), (113, 1134972), (124, 1034289), (162, 791678), (186, 689526), (226, 567486), (279, 459684), (324, 395839), (339, 378324), (372, 344763), (452, 283743), (558, 229842), (678, 189162), (837, 153228), (1017, 126108), (1116, 114921), (1356, 94581), (1674, 76614), (2034, 63054), (2511, 51076), (3051, 42036), (3348, 38307), (3503, 36612), (4068, 31527), (5022, 25538), (6102, 21018), (7006, 18306), (9153, 14012), (10044, 12769), (10509, 12204)]