19782477180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{164279}}^1$

素因数の和:164520

約数の個数: 96

約数和(自身を含む): 61821849600

約数和(自身を除く): 42039372420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 223, 270, 446, 540, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 6021, 6690, 8028, 10035, 12042, 13380, 20070, 24084, 30105, 40140, 60210, 120420, 164279, 328558, 492837, 657116, 821395, 985674, 1478511, 1642790, 1971348, 2464185, 2957022, 3285580, 4435533, 4928370, 5914044, 7392555, 8871066, 9856740, 14785110, 17742132, 22177665, 29570220, 36634217, 44355330, 73268434, 88710660, 109902651, 146536868, 183171085, 219805302, 329707953, 366342170, 439610604, 549513255, 659415906, 732684340, 989123859, 1099026510, 1318831812, 1648539765, 1978247718, 2198053020, 3297079530, 3956495436, 4945619295, 6594159060, 9891238590, 19782477180]

約数ペア:

[(1, 19782477180), (2, 9891238590), (3, 6594159060), (4, 4945619295), (5, 3956495436), (6, 3297079530), (9, 2198053020), (10, 1978247718), (12, 1648539765), (15, 1318831812), (18, 1099026510), (20, 989123859), (27, 732684340), (30, 659415906), (36, 549513255), (45, 439610604), (54, 366342170), (60, 329707953), (90, 219805302), (108, 183171085), (135, 146536868), (180, 109902651), (223, 88710660), (270, 73268434), (446, 44355330), (540, 36634217), (669, 29570220), (892, 22177665), (1115, 17742132), (1338, 14785110), (2007, 9856740), (2230, 8871066), (2676, 7392555), (3345, 5914044), (4014, 4928370), (4460, 4435533), (6021, 3285580), (6690, 2957022), (8028, 2464185), (10035, 1971348), (12042, 1642790), (13380, 1478511), (20070, 985674), (24084, 821395), (30105, 657116), (40140, 492837), (60210, 328558), (120420, 164279)]