157220660920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{8087}}^1$

素因数の和:8357

約数の個数: 128

約数和(自身を含む): 368968089600

約数和(自身を除く): 211747428680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 127, 172, 178, 215, 254, 344, 356, 430, 445, 508, 635, 712, 860, 890, 1016, 1270, 1720, 1780, 2540, 3560, 3827, 5080, 5461, 7654, 8087, 10922, 11303, 15308, 16174, 19135, 21844, 22606, 27305, 30616, 32348, 38270, 40435, 43688, 45212, 54610, 56515, 64696, 76540, 80870, 90424, 109220, 113030, 153080, 161740, 218440, 226060, 323480, 347741, 452120, 486029, 695482, 719743, 972058, 1027049, 1390964, 1439486, 1738705, 1944116, 2054098, 2430145, 2781928, 2878972, 3477410, 3598715, 3888232, 4108196, 4860290, 5135245, 5757944, 6954820, 7197430, 8216392, 9720580, 10270490, 13909640, 14394860, 19441160, 20540980, 28789720, 30948949, 41081960, 44163107, 61897898, 88326214, 91407361, 123795796, 154744745, 176652428, 182814722, 220815535, 247591592, 309489490, 353304856, 365629444, 441631070, 457036805, 618978980, 731258888, 883262140, 914073610, 1237957960, 1766524280, 1828147220, 3656294440, 3930516523, 7861033046, 15722066092, 19652582615, 31444132184, 39305165230, 78610330460, 157220660920]

約数ペア:

[(1, 157220660920), (2, 78610330460), (4, 39305165230), (5, 31444132184), (8, 19652582615), (10, 15722066092), (20, 7861033046), (40, 3930516523), (43, 3656294440), (86, 1828147220), (89, 1766524280), (127, 1237957960), (172, 914073610), (178, 883262140), (215, 731258888), (254, 618978980), (344, 457036805), (356, 441631070), (430, 365629444), (445, 353304856), (508, 309489490), (635, 247591592), (712, 220815535), (860, 182814722), (890, 176652428), (1016, 154744745), (1270, 123795796), (1720, 91407361), (1780, 88326214), (2540, 61897898), (3560, 44163107), (3827, 41081960), (5080, 30948949), (5461, 28789720), (7654, 20540980), (8087, 19441160), (10922, 14394860), (11303, 13909640), (15308, 10270490), (16174, 9720580), (19135, 8216392), (21844, 7197430), (22606, 6954820), (27305, 5757944), (30616, 5135245), (32348, 4860290), (38270, 4108196), (40435, 3888232), (43688, 3598715), (45212, 3477410), (54610, 2878972), (56515, 2781928), (64696, 2430145), (76540, 2054098), (80870, 1944116), (90424, 1738705), (109220, 1439486), (113030, 1390964), (153080, 1027049), (161740, 972058), (218440, 719743), (226060, 695482), (323480, 486029), (347741, 452120)]