68496420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 198696960

約数和(自身を除く): 130200540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 139, 172, 191, 215, 258, 278, 382, 417, 430, 516, 556, 573, 645, 695, 764, 834, 860, 955, 1146, 1290, 1390, 1668, 1910, 2085, 2292, 2580, 2780, 2865, 3820, 4170, 5730, 5977, 8213, 8340, 11460, 11954, 16426, 17931, 23908, 24639, 26549, 29885, 32852, 35862, 41065, 49278, 53098, 59770, 71724, 79647, 82130, 89655, 98556, 106196, 119540, 123195, 132745, 159294, 164260, 179310, 246390, 265490, 318588, 358620, 398235, 492780, 530980, 796470, 1141607, 1592940, 2283214, 3424821, 4566428, 5708035, 6849642, 11416070, 13699284, 17124105, 22832140, 34248210, 68496420]

約数ペア:

[(1, 68496420), (2, 34248210), (3, 22832140), (4, 17124105), (5, 13699284), (6, 11416070), (10, 6849642), (12, 5708035), (15, 4566428), (20, 3424821), (30, 2283214), (43, 1592940), (60, 1141607), (86, 796470), (129, 530980), (139, 492780), (172, 398235), (191, 358620), (215, 318588), (258, 265490), (278, 246390), (382, 179310), (417, 164260), (430, 159294), (516, 132745), (556, 123195), (573, 119540), (645, 106196), (695, 98556), (764, 89655), (834, 82130), (860, 79647), (955, 71724), (1146, 59770), (1290, 53098), (1390, 49278), (1668, 41065), (1910, 35862), (2085, 32852), (2292, 29885), (2580, 26549), (2780, 24639), (2865, 23908), (3820, 17931), (4170, 16426), (5730, 11954), (5977, 11460), (8213, 8340)]