87654560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1366

約数の個数: 96

約数和(自身を含む): 240734592

約数和(自身を除く): 153080032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1120, 1220, 1283, 1708, 1952, 2135, 2440, 2566, 3416, 4270, 4880, 5132, 6415, 6832, 8540, 8981, 9760, 10264, 12830, 13664, 17080, 17962, 20528, 25660, 34160, 35924, 41056, 44905, 51320, 68320, 71848, 78263, 89810, 102640, 143696, 156526, 179620, 205280, 287392, 313052, 359240, 391315, 547841, 626104, 718480, 782630, 1095682, 1252208, 1436960, 1565260, 2191364, 2504416, 2739205, 3130520, 4382728, 5478410, 6261040, 8765456, 10956820, 12522080, 17530912, 21913640, 43827280, 87654560]

約数ペア:

[(1, 87654560), (2, 43827280), (4, 21913640), (5, 17530912), (7, 12522080), (8, 10956820), (10, 8765456), (14, 6261040), (16, 5478410), (20, 4382728), (28, 3130520), (32, 2739205), (35, 2504416), (40, 2191364), (56, 1565260), (61, 1436960), (70, 1252208), (80, 1095682), (112, 782630), (122, 718480), (140, 626104), (160, 547841), (224, 391315), (244, 359240), (280, 313052), (305, 287392), (427, 205280), (488, 179620), (560, 156526), (610, 143696), (854, 102640), (976, 89810), (1120, 78263), (1220, 71848), (1283, 68320), (1708, 51320), (1952, 44905), (2135, 41056), (2440, 35924), (2566, 34160), (3416, 25660), (4270, 20528), (4880, 17962), (5132, 17080), (6415, 13664), (6832, 12830), (8540, 10264), (8981, 9760)]