19927784520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1129693}}^1$

素因数の和:1129724

約数の個数: 144

約数和(自身を含む): 75339292860

約数和(自身を除く): 55411508340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 1129693, 2259386, 3389079, 4518772, 5648465, 6778158, 7907851, 9037544, 10167237, 11296930, 13556316, 15815702, 16945395, 20334474, 22593860, 23723553, 27112632, 31631404, 33890790, 39539255, 40668948, 45187720, 47447106, 50836185, 55354957, 63262808, 67781580, 71170659, 79078510, 81337896, 94894212, 101672370, 110709914, 118617765, 135563160, 142341318, 158157020, 166064871, 189788424, 203344740, 221419828, 237235530, 276774785, 284682636, 316314040, 332129742, 355853295, 406689480, 442839656, 474471060, 498194613, 553549570, 569365272, 664259484, 711706590, 830324355, 948942120, 996389226, 1107099140, 1328518968, 1423413180, 1660648710, 1992778452, 2214198280, 2490973065, 2846826360, 3321297420, 3985556904, 4981946130, 6642594840, 9963892260, 19927784520]

約数ペア:

[(1, 19927784520), (2, 9963892260), (3, 6642594840), (4, 4981946130), (5, 3985556904), (6, 3321297420), (7, 2846826360), (8, 2490973065), (9, 2214198280), (10, 1992778452), (12, 1660648710), (14, 1423413180), (15, 1328518968), (18, 1107099140), (20, 996389226), (21, 948942120), (24, 830324355), (28, 711706590), (30, 664259484), (35, 569365272), (36, 553549570), (40, 498194613), (42, 474471060), (45, 442839656), (49, 406689480), (56, 355853295), (60, 332129742), (63, 316314040), (70, 284682636), (72, 276774785), (84, 237235530), (90, 221419828), (98, 203344740), (105, 189788424), (120, 166064871), (126, 158157020), (140, 142341318), (147, 135563160), (168, 118617765), (180, 110709914), (196, 101672370), (210, 94894212), (245, 81337896), (252, 79078510), (280, 71170659), (294, 67781580), (315, 63262808), (360, 55354957), (392, 50836185), (420, 47447106), (441, 45187720), (490, 40668948), (504, 39539255), (588, 33890790), (630, 31631404), (735, 27112632), (840, 23723553), (882, 22593860), (980, 20334474), (1176, 16945395), (1260, 15815702), (1470, 13556316), (1764, 11296930), (1960, 10167237), (2205, 9037544), (2520, 7907851), (2940, 6778158), (3528, 5648465), (4410, 4518772), (5880, 3389079), (8820, 2259386), (17640, 1129693)]