161105100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 508196640

約数和(自身を除く): 347091540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 101, 130, 150, 156, 195, 202, 260, 300, 303, 325, 390, 404, 409, 505, 606, 650, 780, 818, 975, 1010, 1212, 1227, 1300, 1313, 1515, 1636, 1950, 2020, 2045, 2454, 2525, 2626, 3030, 3900, 3939, 4090, 4908, 5050, 5252, 5317, 6060, 6135, 6565, 7575, 7878, 8180, 10100, 10225, 10634, 12270, 13130, 15150, 15756, 15951, 19695, 20450, 21268, 24540, 26260, 26585, 30300, 30675, 31902, 32825, 39390, 40900, 41309, 53170, 61350, 63804, 65650, 78780, 79755, 82618, 98475, 106340, 122700, 123927, 131300, 132925, 159510, 165236, 196950, 206545, 247854, 265850, 319020, 393900, 398775, 413090, 495708, 531700, 537017, 619635, 797550, 826180, 1032725, 1074034, 1239270, 1595100, 1611051, 2065450, 2148068, 2478540, 2685085, 3098175, 3222102, 4130900, 5370170, 6196350, 6444204, 8055255, 10740340, 12392700, 13425425, 16110510, 26850850, 32221020, 40276275, 53701700, 80552550, 161105100]

約数ペア:

[(1, 161105100), (2, 80552550), (3, 53701700), (4, 40276275), (5, 32221020), (6, 26850850), (10, 16110510), (12, 13425425), (13, 12392700), (15, 10740340), (20, 8055255), (25, 6444204), (26, 6196350), (30, 5370170), (39, 4130900), (50, 3222102), (52, 3098175), (60, 2685085), (65, 2478540), (75, 2148068), (78, 2065450), (100, 1611051), (101, 1595100), (130, 1239270), (150, 1074034), (156, 1032725), (195, 826180), (202, 797550), (260, 619635), (300, 537017), (303, 531700), (325, 495708), (390, 413090), (404, 398775), (409, 393900), (505, 319020), (606, 265850), (650, 247854), (780, 206545), (818, 196950), (975, 165236), (1010, 159510), (1212, 132925), (1227, 131300), (1300, 123927), (1313, 122700), (1515, 106340), (1636, 98475), (1950, 82618), (2020, 79755), (2045, 78780), (2454, 65650), (2525, 63804), (2626, 61350), (3030, 53170), (3900, 41309), (3939, 40900), (4090, 39390), (4908, 32825), (5050, 31902), (5252, 30675), (5317, 30300), (6060, 26585), (6135, 26260), (6565, 24540), (7575, 21268), (7878, 20450), (8180, 19695), (10100, 15951), (10225, 15756), (10634, 15150), (12270, 13130)]