71777480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 171417600

約数和(自身を除く): 99640120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1279, 1403, 2440, 2558, 2806, 5116, 5612, 6395, 7015, 10232, 11224, 12790, 14030, 25580, 28060, 29417, 51160, 56120, 58834, 78019, 117668, 147085, 156038, 235336, 294170, 312076, 390095, 588340, 624152, 780190, 1176680, 1560380, 1794437, 3120760, 3588874, 7177748, 8972185, 14355496, 17944370, 35888740, 71777480]

約数ペア:

[(1, 71777480), (2, 35888740), (4, 17944370), (5, 14355496), (8, 8972185), (10, 7177748), (20, 3588874), (23, 3120760), (40, 1794437), (46, 1560380), (61, 1176680), (92, 780190), (115, 624152), (122, 588340), (184, 390095), (230, 312076), (244, 294170), (305, 235336), (460, 156038), (488, 147085), (610, 117668), (920, 78019), (1220, 58834), (1279, 56120), (1403, 51160), (2440, 29417), (2558, 28060), (2806, 25580), (5116, 14030), (5612, 12790), (6395, 11224), (7015, 10232)]