74441680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 179144784

約数和(自身を除く): 104703104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 97, 106, 181, 194, 212, 265, 362, 388, 424, 485, 530, 724, 776, 848, 905, 970, 1060, 1448, 1552, 1810, 1940, 2120, 2896, 3620, 3880, 4240, 5141, 7240, 7760, 9593, 10282, 14480, 17557, 19186, 20564, 25705, 35114, 38372, 41128, 47965, 51410, 70228, 76744, 82256, 87785, 95930, 102820, 140456, 153488, 175570, 191860, 205640, 280912, 351140, 383720, 411280, 702280, 767440, 930521, 1404560, 1861042, 3722084, 4652605, 7444168, 9305210, 14888336, 18610420, 37220840, 74441680]

約数ペア:

[(1, 74441680), (2, 37220840), (4, 18610420), (5, 14888336), (8, 9305210), (10, 7444168), (16, 4652605), (20, 3722084), (40, 1861042), (53, 1404560), (80, 930521), (97, 767440), (106, 702280), (181, 411280), (194, 383720), (212, 351140), (265, 280912), (362, 205640), (388, 191860), (424, 175570), (485, 153488), (530, 140456), (724, 102820), (776, 95930), (848, 87785), (905, 82256), (970, 76744), (1060, 70228), (1448, 51410), (1552, 47965), (1810, 41128), (1940, 38372), (2120, 35114), (2896, 25705), (3620, 20564), (3880, 19186), (4240, 17557), (5141, 14480), (7240, 10282), (7760, 9593)]