77990560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 199139472

約数和(自身を除く): 121148912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 68, 80, 85, 106, 136, 160, 170, 212, 265, 272, 340, 424, 530, 541, 544, 680, 848, 901, 1060, 1082, 1360, 1696, 1802, 2120, 2164, 2705, 2720, 3604, 4240, 4328, 4505, 5410, 7208, 8480, 8656, 9010, 9197, 10820, 14416, 17312, 18020, 18394, 21640, 28673, 28832, 36040, 36788, 43280, 45985, 57346, 72080, 73576, 86560, 91970, 114692, 143365, 144160, 147152, 183940, 229384, 286730, 294304, 367880, 458768, 487441, 573460, 735760, 917536, 974882, 1146920, 1471520, 1949764, 2293840, 2437205, 3899528, 4587680, 4874410, 7799056, 9748820, 15598112, 19497640, 38995280, 77990560]

約数ペア:

[(1, 77990560), (2, 38995280), (4, 19497640), (5, 15598112), (8, 9748820), (10, 7799056), (16, 4874410), (17, 4587680), (20, 3899528), (32, 2437205), (34, 2293840), (40, 1949764), (53, 1471520), (68, 1146920), (80, 974882), (85, 917536), (106, 735760), (136, 573460), (160, 487441), (170, 458768), (212, 367880), (265, 294304), (272, 286730), (340, 229384), (424, 183940), (530, 147152), (541, 144160), (544, 143365), (680, 114692), (848, 91970), (901, 86560), (1060, 73576), (1082, 72080), (1360, 57346), (1696, 45985), (1802, 43280), (2120, 36788), (2164, 36040), (2705, 28832), (2720, 28673), (3604, 21640), (4240, 18394), (4328, 18020), (4505, 17312), (5410, 14416), (7208, 10820), (8480, 9197), (8656, 9010)]