28785760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 96

約数和(自身を含む): 75932640

約数和(自身を除く): 47146880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 557, 608, 646, 680, 760, 1114, 1292, 1360, 1520, 1615, 2228, 2584, 2720, 2785, 3040, 3230, 4456, 5168, 5570, 6460, 8912, 9469, 10336, 10583, 11140, 12920, 17824, 18938, 21166, 22280, 25840, 37876, 42332, 44560, 47345, 51680, 52915, 75752, 84664, 89120, 94690, 105830, 151504, 169328, 179911, 189380, 211660, 303008, 338656, 359822, 378760, 423320, 719644, 757520, 846640, 899555, 1439288, 1515040, 1693280, 1799110, 2878576, 3598220, 5757152, 7196440, 14392880, 28785760]

約数ペア:

[(1, 28785760), (2, 14392880), (4, 7196440), (5, 5757152), (8, 3598220), (10, 2878576), (16, 1799110), (17, 1693280), (19, 1515040), (20, 1439288), (32, 899555), (34, 846640), (38, 757520), (40, 719644), (68, 423320), (76, 378760), (80, 359822), (85, 338656), (95, 303008), (136, 211660), (152, 189380), (160, 179911), (170, 169328), (190, 151504), (272, 105830), (304, 94690), (323, 89120), (340, 84664), (380, 75752), (544, 52915), (557, 51680), (608, 47345), (646, 44560), (680, 42332), (760, 37876), (1114, 25840), (1292, 22280), (1360, 21166), (1520, 18938), (1615, 17824), (2228, 12920), (2584, 11140), (2720, 10583), (2785, 10336), (3040, 9469), (3230, 8912), (4456, 6460), (5168, 5570)]