328645520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4621}}^1$

素因数の和:4768

約数の個数: 80

約数和(自身を含む): 880324608

約数和(自身を除く): 551679088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 4445, 4621, 5080, 7112, 8890, 9242, 10160, 14224, 17780, 18484, 23105, 32347, 35560, 36968, 46210, 64694, 71120, 73936, 92420, 129388, 161735, 184840, 258776, 323470, 369680, 517552, 586867, 646940, 1173734, 1293880, 2347468, 2587760, 2934335, 4108069, 4694936, 5868670, 8216138, 9389872, 11737340, 16432276, 20540345, 23474680, 32864552, 41080690, 46949360, 65729104, 82161380, 164322760, 328645520]

約数ペア:

[(1, 328645520), (2, 164322760), (4, 82161380), (5, 65729104), (7, 46949360), (8, 41080690), (10, 32864552), (14, 23474680), (16, 20540345), (20, 16432276), (28, 11737340), (35, 9389872), (40, 8216138), (56, 5868670), (70, 4694936), (80, 4108069), (112, 2934335), (127, 2587760), (140, 2347468), (254, 1293880), (280, 1173734), (508, 646940), (560, 586867), (635, 517552), (889, 369680), (1016, 323470), (1270, 258776), (1778, 184840), (2032, 161735), (2540, 129388), (3556, 92420), (4445, 73936), (4621, 71120), (5080, 64694), (7112, 46210), (8890, 36968), (9242, 35560), (10160, 32347), (14224, 23105), (17780, 18484)]