64408240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3643}}^1$

素因数の和:3686

約数の個数: 80

約数和(自身を含む): 170801568

約数和(自身を除く): 106393328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 3643, 4420, 7286, 8840, 14572, 17680, 18215, 29144, 36430, 47359, 58288, 61931, 72860, 94718, 123862, 145720, 189436, 236795, 247724, 291440, 309655, 378872, 473590, 495448, 619310, 757744, 805103, 947180, 990896, 1238620, 1610206, 1894360, 2477240, 3220412, 3788720, 4025515, 4954480, 6440824, 8051030, 12881648, 16102060, 32204120, 64408240]

約数ペア:

[(1, 64408240), (2, 32204120), (4, 16102060), (5, 12881648), (8, 8051030), (10, 6440824), (13, 4954480), (16, 4025515), (17, 3788720), (20, 3220412), (26, 2477240), (34, 1894360), (40, 1610206), (52, 1238620), (65, 990896), (68, 947180), (80, 805103), (85, 757744), (104, 619310), (130, 495448), (136, 473590), (170, 378872), (208, 309655), (221, 291440), (260, 247724), (272, 236795), (340, 189436), (442, 145720), (520, 123862), (680, 94718), (884, 72860), (1040, 61931), (1105, 58288), (1360, 47359), (1768, 36430), (2210, 29144), (3536, 18215), (3643, 17680), (4420, 14572), (7286, 8840)]