78475520

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1715

約数の個数: 72

約数和(自身を含む): 193170264

約数和(自身を除く): 114694744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 1657, 2368, 2960, 3314, 4736, 5920, 6628, 8285, 9472, 11840, 13256, 16570, 23680, 26512, 33140, 47360, 53024, 61309, 66280, 106048, 122618, 132560, 212096, 245236, 265120, 306545, 424192, 490472, 530240, 613090, 980944, 1060480, 1226180, 1961888, 2120960, 2452360, 3923776, 4904720, 7847552, 9809440, 15695104, 19618880, 39237760, 78475520]

約数ペア:

[(1, 78475520), (2, 39237760), (4, 19618880), (5, 15695104), (8, 9809440), (10, 7847552), (16, 4904720), (20, 3923776), (32, 2452360), (37, 2120960), (40, 1961888), (64, 1226180), (74, 1060480), (80, 980944), (128, 613090), (148, 530240), (160, 490472), (185, 424192), (256, 306545), (296, 265120), (320, 245236), (370, 212096), (592, 132560), (640, 122618), (740, 106048), (1184, 66280), (1280, 61309), (1480, 53024), (1657, 47360), (2368, 33140), (2960, 26512), (3314, 23680), (4736, 16570), (5920, 13256), (6628, 11840), (8285, 9472)]