161728190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1597}}^1$

素因数の和:1677

約数の個数: 64

約数和(自身を含む): 338264640

約数和(自身を除く): 176536450

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 190, 205, 247, 410, 494, 533, 779, 1066, 1235, 1558, 1597, 2470, 2665, 3194, 3895, 5330, 7790, 7985, 10127, 15970, 20254, 20761, 30343, 41522, 50635, 60686, 65477, 101270, 103805, 130954, 151715, 207610, 303430, 327385, 394459, 654770, 788918, 851201, 1244063, 1702402, 1972295, 2488126, 3944590, 4256005, 6220315, 8512010, 12440630, 16172819, 32345638, 80864095, 161728190]

約数ペア:

[(1, 161728190), (2, 80864095), (5, 32345638), (10, 16172819), (13, 12440630), (19, 8512010), (26, 6220315), (38, 4256005), (41, 3944590), (65, 2488126), (82, 1972295), (95, 1702402), (130, 1244063), (190, 851201), (205, 788918), (247, 654770), (410, 394459), (494, 327385), (533, 303430), (779, 207610), (1066, 151715), (1235, 130954), (1558, 103805), (1597, 101270), (2470, 65477), (2665, 60686), (3194, 50635), (3895, 41522), (5330, 30343), (7790, 20761), (7985, 20254), (10127, 15970)]