71558340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 230114304

約数和(自身を除く): 158555964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 347, 420, 491, 694, 982, 1041, 1388, 1473, 1735, 1964, 2082, 2429, 2455, 2946, 3437, 3470, 4164, 4858, 4910, 5205, 5892, 6874, 6940, 7287, 7365, 9716, 9820, 10311, 10410, 12145, 13748, 14574, 14730, 17185, 20622, 20820, 24290, 29148, 29460, 34370, 36435, 41244, 48580, 51555, 68740, 72870, 103110, 145740, 170377, 206220, 340754, 511131, 681508, 851885, 1022262, 1192639, 1703770, 2044524, 2385278, 2555655, 3407540, 3577917, 4770556, 5111310, 5963195, 7155834, 10222620, 11926390, 14311668, 17889585, 23852780, 35779170, 71558340]

約数ペア:

[(1, 71558340), (2, 35779170), (3, 23852780), (4, 17889585), (5, 14311668), (6, 11926390), (7, 10222620), (10, 7155834), (12, 5963195), (14, 5111310), (15, 4770556), (20, 3577917), (21, 3407540), (28, 2555655), (30, 2385278), (35, 2044524), (42, 1703770), (60, 1192639), (70, 1022262), (84, 851885), (105, 681508), (140, 511131), (210, 340754), (347, 206220), (420, 170377), (491, 145740), (694, 103110), (982, 72870), (1041, 68740), (1388, 51555), (1473, 48580), (1735, 41244), (1964, 36435), (2082, 34370), (2429, 29460), (2455, 29148), (2946, 24290), (3437, 20820), (3470, 20622), (4164, 17185), (4858, 14730), (4910, 14574), (5205, 13748), (5892, 12145), (6874, 10410), (6940, 10311), (7287, 9820), (7365, 9716)]