628661120

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16103}}^1$

素因数の和:16183

約数の個数: 64

約数和(自身を含む): 1527625440

約数和(自身を除く): 898964320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 16103, 19520, 32206, 39040, 64412, 80515, 128824, 161030, 257648, 322060, 515296, 644120, 982283, 1030592, 1288240, 1964566, 2061184, 2576480, 3929132, 4911415, 5152960, 7858264, 9822830, 10305920, 15716528, 19645660, 31433056, 39291320, 62866112, 78582640, 125732224, 157165280, 314330560, 628661120]

約数ペア:

[(1, 628661120), (2, 314330560), (4, 157165280), (5, 125732224), (8, 78582640), (10, 62866112), (16, 39291320), (20, 31433056), (32, 19645660), (40, 15716528), (61, 10305920), (64, 9822830), (80, 7858264), (122, 5152960), (128, 4911415), (160, 3929132), (244, 2576480), (305, 2061184), (320, 1964566), (488, 1288240), (610, 1030592), (640, 982283), (976, 644120), (1220, 515296), (1952, 322060), (2440, 257648), (3904, 161030), (4880, 128824), (7808, 80515), (9760, 64412), (16103, 39040), (19520, 32206)]