161855980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3329}}^1$

素因数の和:3379

約数の個数: 96

約数和(自身を含む): 422936640

約数和(自身を除く): 261080660

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 715, 748, 884, 935, 1105, 1430, 1870, 2210, 2431, 2860, 3329, 3740, 4420, 4862, 6658, 9724, 12155, 13316, 16645, 24310, 33290, 36619, 43277, 48620, 56593, 66580, 73238, 86554, 113186, 146476, 173108, 183095, 216385, 226372, 282965, 366190, 432770, 476047, 565930, 622523, 732380, 735709, 865540, 952094, 1131860, 1245046, 1471418, 1904188, 2380235, 2490092, 2942836, 3112615, 3678545, 4760470, 6225230, 7357090, 8092799, 9520940, 12450460, 14714180, 16185598, 32371196, 40463995, 80927990, 161855980]

約数ペア:

[(1, 161855980), (2, 80927990), (4, 40463995), (5, 32371196), (10, 16185598), (11, 14714180), (13, 12450460), (17, 9520940), (20, 8092799), (22, 7357090), (26, 6225230), (34, 4760470), (44, 3678545), (52, 3112615), (55, 2942836), (65, 2490092), (68, 2380235), (85, 1904188), (110, 1471418), (130, 1245046), (143, 1131860), (170, 952094), (187, 865540), (220, 735709), (221, 732380), (260, 622523), (286, 565930), (340, 476047), (374, 432770), (442, 366190), (572, 282965), (715, 226372), (748, 216385), (884, 183095), (935, 173108), (1105, 146476), (1430, 113186), (1870, 86554), (2210, 73238), (2431, 66580), (2860, 56593), (3329, 48620), (3740, 43277), (4420, 36619), (4862, 33290), (6658, 24310), (9724, 16645), (12155, 13316)]