27761680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 69303600

約数和(自身を除く): 41541920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 149, 170, 272, 274, 298, 340, 548, 596, 680, 685, 745, 1096, 1192, 1360, 1370, 1490, 2192, 2329, 2384, 2533, 2740, 2980, 4658, 5066, 5480, 5960, 9316, 10132, 10960, 11645, 11920, 12665, 18632, 20264, 20413, 23290, 25330, 37264, 40528, 40826, 46580, 50660, 81652, 93160, 101320, 102065, 163304, 186320, 202640, 204130, 326608, 347021, 408260, 694042, 816520, 1388084, 1633040, 1735105, 2776168, 3470210, 5552336, 6940420, 13880840, 27761680]

約数ペア:

[(1, 27761680), (2, 13880840), (4, 6940420), (5, 5552336), (8, 3470210), (10, 2776168), (16, 1735105), (17, 1633040), (20, 1388084), (34, 816520), (40, 694042), (68, 408260), (80, 347021), (85, 326608), (136, 204130), (137, 202640), (149, 186320), (170, 163304), (272, 102065), (274, 101320), (298, 93160), (340, 81652), (548, 50660), (596, 46580), (680, 40826), (685, 40528), (745, 37264), (1096, 25330), (1192, 23290), (1360, 20413), (1370, 20264), (1490, 18632), (2192, 12665), (2329, 11920), (2384, 11645), (2533, 10960), (2740, 10132), (2980, 9316), (4658, 5960), (5066, 5480)]