78441660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 262211040

約数和(自身を除く): 183769380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 173, 180, 198, 220, 229, 330, 346, 396, 458, 495, 519, 660, 687, 692, 865, 916, 990, 1038, 1145, 1374, 1557, 1730, 1903, 1980, 2061, 2076, 2290, 2519, 2595, 2748, 3114, 3435, 3460, 3806, 4122, 4580, 5038, 5190, 5709, 6228, 6870, 7557, 7612, 7785, 8244, 9515, 10076, 10305, 10380, 11418, 12595, 13740, 15114, 15570, 17127, 19030, 20610, 22671, 22836, 25190, 28545, 30228, 31140, 34254, 37785, 38060, 39617, 41220, 45342, 50380, 57090, 68508, 75570, 79234, 85635, 90684, 113355, 114180, 118851, 151140, 158468, 171270, 198085, 226710, 237702, 342540, 356553, 396170, 435787, 453420, 475404, 594255, 713106, 792340, 871574, 1188510, 1307361, 1426212, 1743148, 1782765, 2178935, 2377020, 2614722, 3565530, 3922083, 4357870, 5229444, 6536805, 7131060, 7844166, 8715740, 13073610, 15688332, 19610415, 26147220, 39220830, 78441660]

約数ペア:

[(1, 78441660), (2, 39220830), (3, 26147220), (4, 19610415), (5, 15688332), (6, 13073610), (9, 8715740), (10, 7844166), (11, 7131060), (12, 6536805), (15, 5229444), (18, 4357870), (20, 3922083), (22, 3565530), (30, 2614722), (33, 2377020), (36, 2178935), (44, 1782765), (45, 1743148), (55, 1426212), (60, 1307361), (66, 1188510), (90, 871574), (99, 792340), (110, 713106), (132, 594255), (165, 475404), (173, 453420), (180, 435787), (198, 396170), (220, 356553), (229, 342540), (330, 237702), (346, 226710), (396, 198085), (458, 171270), (495, 158468), (519, 151140), (660, 118851), (687, 114180), (692, 113355), (865, 90684), (916, 85635), (990, 79234), (1038, 75570), (1145, 68508), (1374, 57090), (1557, 50380), (1730, 45342), (1903, 41220), (1980, 39617), (2061, 38060), (2076, 37785), (2290, 34254), (2519, 31140), (2595, 30228), (2748, 28545), (3114, 25190), (3435, 22836), (3460, 22671), (3806, 20610), (4122, 19030), (4580, 17127), (5038, 15570), (5190, 15114), (5709, 13740), (6228, 12595), (6870, 11418), (7557, 10380), (7612, 10305), (7785, 10076), (8244, 9515)]