163257220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7243}}^1$

素因数の和:7289

約数の個数: 72

約数和(自身を含む): 416211264

約数和(自身を除く): 252954044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 7243, 11270, 14486, 22540, 28972, 36215, 50701, 72430, 101402, 144860, 166589, 202804, 253505, 333178, 354907, 507010, 666356, 709814, 832945, 1014020, 1166123, 1419628, 1665890, 1774535, 2332246, 3331780, 3549070, 4664492, 5830615, 7098140, 8162861, 11661230, 16325722, 23322460, 32651444, 40814305, 81628610, 163257220]

約数ペア:

[(1, 163257220), (2, 81628610), (4, 40814305), (5, 32651444), (7, 23322460), (10, 16325722), (14, 11661230), (20, 8162861), (23, 7098140), (28, 5830615), (35, 4664492), (46, 3549070), (49, 3331780), (70, 2332246), (92, 1774535), (98, 1665890), (115, 1419628), (140, 1166123), (161, 1014020), (196, 832945), (230, 709814), (245, 666356), (322, 507010), (460, 354907), (490, 333178), (644, 253505), (805, 202804), (980, 166589), (1127, 144860), (1610, 101402), (2254, 72430), (3220, 50701), (4508, 36215), (5635, 28972), (7243, 22540), (11270, 14486)]