123387520

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 317016000

約数和(自身を除く): 193628480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 73, 76, 80, 95, 128, 139, 146, 152, 160, 190, 278, 292, 304, 320, 365, 380, 556, 584, 608, 640, 695, 730, 760, 1112, 1168, 1216, 1387, 1390, 1460, 1520, 2224, 2336, 2432, 2641, 2774, 2780, 2920, 3040, 4448, 4672, 5282, 5548, 5560, 5840, 6080, 6935, 8896, 9344, 10147, 10564, 11096, 11120, 11680, 12160, 13205, 13870, 17792, 20294, 21128, 22192, 22240, 23360, 26410, 27740, 40588, 42256, 44384, 44480, 46720, 50735, 52820, 55480, 81176, 84512, 88768, 88960, 101470, 105640, 110960, 162352, 169024, 177536, 192793, 202940, 211280, 221920, 324704, 338048, 385586, 405880, 422560, 443840, 649408, 771172, 811760, 845120, 887680, 963965, 1298816, 1542344, 1623520, 1690240, 1927930, 3084688, 3247040, 3855860, 6169376, 6494080, 7711720, 12338752, 15423440, 24677504, 30846880, 61693760, 123387520]

約数ペア:

[(1, 123387520), (2, 61693760), (4, 30846880), (5, 24677504), (8, 15423440), (10, 12338752), (16, 7711720), (19, 6494080), (20, 6169376), (32, 3855860), (38, 3247040), (40, 3084688), (64, 1927930), (73, 1690240), (76, 1623520), (80, 1542344), (95, 1298816), (128, 963965), (139, 887680), (146, 845120), (152, 811760), (160, 771172), (190, 649408), (278, 443840), (292, 422560), (304, 405880), (320, 385586), (365, 338048), (380, 324704), (556, 221920), (584, 211280), (608, 202940), (640, 192793), (695, 177536), (730, 169024), (760, 162352), (1112, 110960), (1168, 105640), (1216, 101470), (1387, 88960), (1390, 88768), (1460, 84512), (1520, 81176), (2224, 55480), (2336, 52820), (2432, 50735), (2641, 46720), (2774, 44480), (2780, 44384), (2920, 42256), (3040, 40588), (4448, 27740), (4672, 26410), (5282, 23360), (5548, 22240), (5560, 22192), (5840, 21128), (6080, 20294), (6935, 17792), (8896, 13870), (9344, 13205), (10147, 12160), (10564, 11680), (11096, 11120)]