161848840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12527}}^1$

素因数の和:12574

約数の個数: 64

約数和(自身を含む): 405907200

約数和(自身を除く): 244058360

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12527, 12920, 25054, 50108, 62635, 100216, 125270, 212959, 238013, 250540, 425918, 476026, 501080, 851836, 952052, 1064795, 1190065, 1703672, 1904104, 2129590, 2380130, 4046221, 4259180, 4760260, 8092442, 8518360, 9520520, 16184884, 20231105, 32369768, 40462210, 80924420, 161848840]

約数ペア:

[(1, 161848840), (2, 80924420), (4, 40462210), (5, 32369768), (8, 20231105), (10, 16184884), (17, 9520520), (19, 8518360), (20, 8092442), (34, 4760260), (38, 4259180), (40, 4046221), (68, 2380130), (76, 2129590), (85, 1904104), (95, 1703672), (136, 1190065), (152, 1064795), (170, 952052), (190, 851836), (323, 501080), (340, 476026), (380, 425918), (646, 250540), (680, 238013), (760, 212959), (1292, 125270), (1615, 100216), (2584, 62635), (3230, 50108), (6460, 25054), (12527, 12920)]