163390640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10061}}^1$

素因数の和:10110

約数の個数: 80

約数和(自身を含む): 449167680

約数和(自身を除く): 285777040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 10061, 16240, 20122, 40244, 50305, 70427, 80488, 100610, 140854, 160976, 201220, 281708, 291769, 352135, 402440, 563416, 583538, 704270, 804880, 1126832, 1167076, 1408540, 1458845, 2042383, 2334152, 2817080, 2917690, 4084766, 4668304, 5634160, 5835380, 8169532, 10211915, 11670760, 16339064, 20423830, 23341520, 32678128, 40847660, 81695320, 163390640]

約数ペア:

[(1, 163390640), (2, 81695320), (4, 40847660), (5, 32678128), (7, 23341520), (8, 20423830), (10, 16339064), (14, 11670760), (16, 10211915), (20, 8169532), (28, 5835380), (29, 5634160), (35, 4668304), (40, 4084766), (56, 2917690), (58, 2817080), (70, 2334152), (80, 2042383), (112, 1458845), (116, 1408540), (140, 1167076), (145, 1126832), (203, 804880), (232, 704270), (280, 583538), (290, 563416), (406, 402440), (464, 352135), (560, 291769), (580, 281708), (812, 201220), (1015, 160976), (1160, 140854), (1624, 100610), (2030, 80488), (2320, 70427), (3248, 50305), (4060, 40244), (8120, 20122), (10061, 16240)]