64115840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 166561920

約数和(自身を除く): 102446080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 71, 80, 83, 85, 128, 136, 142, 160, 166, 170, 272, 284, 320, 332, 340, 355, 415, 544, 568, 640, 664, 680, 710, 830, 1088, 1136, 1207, 1328, 1360, 1411, 1420, 1660, 2176, 2272, 2414, 2656, 2720, 2822, 2840, 3320, 4544, 4828, 5312, 5440, 5644, 5680, 5893, 6035, 6640, 7055, 9088, 9656, 10624, 10880, 11288, 11360, 11786, 12070, 13280, 14110, 19312, 22576, 22720, 23572, 24140, 26560, 28220, 29465, 38624, 45152, 45440, 47144, 48280, 53120, 56440, 58930, 77248, 90304, 94288, 96560, 100181, 112880, 117860, 154496, 180608, 188576, 193120, 200362, 225760, 235720, 377152, 386240, 400724, 451520, 471440, 500905, 754304, 772480, 801448, 903040, 942880, 1001810, 1602896, 1885760, 2003620, 3205792, 3771520, 4007240, 6411584, 8014480, 12823168, 16028960, 32057920, 64115840]

約数ペア:

[(1, 64115840), (2, 32057920), (4, 16028960), (5, 12823168), (8, 8014480), (10, 6411584), (16, 4007240), (17, 3771520), (20, 3205792), (32, 2003620), (34, 1885760), (40, 1602896), (64, 1001810), (68, 942880), (71, 903040), (80, 801448), (83, 772480), (85, 754304), (128, 500905), (136, 471440), (142, 451520), (160, 400724), (166, 386240), (170, 377152), (272, 235720), (284, 225760), (320, 200362), (332, 193120), (340, 188576), (355, 180608), (415, 154496), (544, 117860), (568, 112880), (640, 100181), (664, 96560), (680, 94288), (710, 90304), (830, 77248), (1088, 58930), (1136, 56440), (1207, 53120), (1328, 48280), (1360, 47144), (1411, 45440), (1420, 45152), (1660, 38624), (2176, 29465), (2272, 28220), (2414, 26560), (2656, 24140), (2720, 23572), (2822, 22720), (2840, 22576), (3320, 19312), (4544, 14110), (4828, 13280), (5312, 12070), (5440, 11786), (5644, 11360), (5680, 11288), (5893, 10880), (6035, 10624), (6640, 9656), (7055, 9088)]