128055520

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 315318528

約数和(自身を除く): 187263008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 97, 148, 160, 185, 194, 223, 296, 370, 388, 446, 485, 592, 740, 776, 892, 970, 1115, 1184, 1480, 1552, 1784, 1940, 2230, 2960, 3104, 3568, 3589, 3880, 4460, 5920, 7136, 7178, 7760, 8251, 8920, 14356, 15520, 16502, 17840, 17945, 21631, 28712, 33004, 35680, 35890, 41255, 43262, 57424, 66008, 71780, 82510, 86524, 108155, 114848, 132016, 143560, 165020, 173048, 216310, 264032, 287120, 330040, 346096, 432620, 574240, 660080, 692192, 800347, 865240, 1320160, 1600694, 1730480, 3201388, 3460960, 4001735, 6402776, 8003470, 12805552, 16006940, 25611104, 32013880, 64027760, 128055520]

約数ペア:

[(1, 128055520), (2, 64027760), (4, 32013880), (5, 25611104), (8, 16006940), (10, 12805552), (16, 8003470), (20, 6402776), (32, 4001735), (37, 3460960), (40, 3201388), (74, 1730480), (80, 1600694), (97, 1320160), (148, 865240), (160, 800347), (185, 692192), (194, 660080), (223, 574240), (296, 432620), (370, 346096), (388, 330040), (446, 287120), (485, 264032), (592, 216310), (740, 173048), (776, 165020), (892, 143560), (970, 132016), (1115, 114848), (1184, 108155), (1480, 86524), (1552, 82510), (1784, 71780), (1940, 66008), (2230, 57424), (2960, 43262), (3104, 41255), (3568, 35890), (3589, 35680), (3880, 33004), (4460, 28712), (5920, 21631), (7136, 17945), (7178, 17840), (7760, 16502), (8251, 15520), (8920, 14356)]