68696880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 160

約数和(自身を含む): 246365184

約数和(自身を除く): 177668304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 103, 105, 112, 120, 140, 168, 206, 210, 240, 280, 309, 336, 397, 412, 420, 515, 560, 618, 721, 794, 824, 840, 1030, 1191, 1236, 1442, 1545, 1588, 1648, 1680, 1985, 2060, 2163, 2382, 2472, 2779, 2884, 3090, 3176, 3605, 3970, 4120, 4326, 4764, 4944, 5558, 5768, 5955, 6180, 6352, 7210, 7940, 8240, 8337, 8652, 9528, 10815, 11116, 11536, 11910, 12360, 13895, 14420, 15880, 16674, 17304, 19056, 21630, 22232, 23820, 24720, 27790, 28840, 31760, 33348, 34608, 40891, 41685, 43260, 44464, 47640, 55580, 57680, 66696, 81782, 83370, 86520, 95280, 111160, 122673, 133392, 163564, 166740, 173040, 204455, 222320, 245346, 286237, 327128, 333480, 408910, 490692, 572474, 613365, 654256, 666960, 817820, 858711, 981384, 1144948, 1226730, 1431185, 1635640, 1717422, 1962768, 2289896, 2453460, 2862370, 3271280, 3434844, 4293555, 4579792, 4906920, 5724740, 6869688, 8587110, 9813840, 11449480, 13739376, 17174220, 22898960, 34348440, 68696880]

約数ペア:

[(1, 68696880), (2, 34348440), (3, 22898960), (4, 17174220), (5, 13739376), (6, 11449480), (7, 9813840), (8, 8587110), (10, 6869688), (12, 5724740), (14, 4906920), (15, 4579792), (16, 4293555), (20, 3434844), (21, 3271280), (24, 2862370), (28, 2453460), (30, 2289896), (35, 1962768), (40, 1717422), (42, 1635640), (48, 1431185), (56, 1226730), (60, 1144948), (70, 981384), (80, 858711), (84, 817820), (103, 666960), (105, 654256), (112, 613365), (120, 572474), (140, 490692), (168, 408910), (206, 333480), (210, 327128), (240, 286237), (280, 245346), (309, 222320), (336, 204455), (397, 173040), (412, 166740), (420, 163564), (515, 133392), (560, 122673), (618, 111160), (721, 95280), (794, 86520), (824, 83370), (840, 81782), (1030, 66696), (1191, 57680), (1236, 55580), (1442, 47640), (1545, 44464), (1588, 43260), (1648, 41685), (1680, 40891), (1985, 34608), (2060, 33348), (2163, 31760), (2382, 28840), (2472, 27790), (2779, 24720), (2884, 23820), (3090, 22232), (3176, 21630), (3605, 19056), (3970, 17304), (4120, 16674), (4326, 15880), (4764, 14420), (4944, 13895), (5558, 12360), (5768, 11910), (5955, 11536), (6180, 11116), (6352, 10815), (7210, 9528), (7940, 8652), (8240, 8337)]