721664928

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{108947}}^1$

素因数の和:108986

約数の個数: 72

約数和(自身を含む): 2141481888

約数和(自身を除く): 1419816960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3312, 6624, 108947, 217894, 326841, 435788, 653682, 871576, 980523, 1307364, 1743152, 1961046, 2505781, 2614728, 3486304, 3922092, 5011562, 5229456, 7517343, 7844184, 10023124, 10458912, 15034686, 15688368, 20046248, 22552029, 30069372, 31376736, 40092496, 45104058, 60138744, 80184992, 90208116, 120277488, 180416232, 240554976, 360832464, 721664928]

約数ペア:

[(1, 721664928), (2, 360832464), (3, 240554976), (4, 180416232), (6, 120277488), (8, 90208116), (9, 80184992), (12, 60138744), (16, 45104058), (18, 40092496), (23, 31376736), (24, 30069372), (32, 22552029), (36, 20046248), (46, 15688368), (48, 15034686), (69, 10458912), (72, 10023124), (92, 7844184), (96, 7517343), (138, 5229456), (144, 5011562), (184, 3922092), (207, 3486304), (276, 2614728), (288, 2505781), (368, 1961046), (414, 1743152), (552, 1307364), (736, 980523), (828, 871576), (1104, 653682), (1656, 435788), (2208, 326841), (3312, 217894), (6624, 108947)]