61976560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 154008000

約数和(自身を除く): 92031440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 229, 272, 340, 398, 458, 680, 796, 916, 995, 1145, 1360, 1592, 1832, 1990, 2290, 3184, 3383, 3664, 3893, 3980, 4580, 6766, 7786, 7960, 9160, 13532, 15572, 15920, 16915, 18320, 19465, 27064, 31144, 33830, 38930, 45571, 54128, 62288, 67660, 77860, 91142, 135320, 155720, 182284, 227855, 270640, 311440, 364568, 455710, 729136, 774707, 911420, 1549414, 1822840, 3098828, 3645680, 3873535, 6197656, 7747070, 12395312, 15494140, 30988280, 61976560]

約数ペア:

[(1, 61976560), (2, 30988280), (4, 15494140), (5, 12395312), (8, 7747070), (10, 6197656), (16, 3873535), (17, 3645680), (20, 3098828), (34, 1822840), (40, 1549414), (68, 911420), (80, 774707), (85, 729136), (136, 455710), (170, 364568), (199, 311440), (229, 270640), (272, 227855), (340, 182284), (398, 155720), (458, 135320), (680, 91142), (796, 77860), (916, 67660), (995, 62288), (1145, 54128), (1360, 45571), (1592, 38930), (1832, 33830), (1990, 31144), (2290, 27064), (3184, 19465), (3383, 18320), (3664, 16915), (3893, 15920), (3980, 15572), (4580, 13532), (6766, 9160), (7786, 7960)]