287024520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 885479040

約数和(自身を除く): 598454520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 113, 120, 122, 183, 226, 244, 305, 339, 347, 366, 452, 488, 565, 610, 678, 694, 732, 904, 915, 1041, 1130, 1220, 1356, 1388, 1464, 1695, 1735, 1830, 2082, 2260, 2440, 2712, 2776, 3390, 3470, 3660, 4164, 4520, 5205, 6780, 6893, 6940, 7320, 8328, 10410, 13560, 13786, 13880, 20679, 20820, 21167, 27572, 34465, 39211, 41358, 41640, 42334, 55144, 63501, 68930, 78422, 82716, 84668, 103395, 105835, 117633, 127002, 137860, 156844, 165432, 169336, 196055, 206790, 211670, 235266, 254004, 275720, 313688, 317505, 392110, 413580, 423340, 470532, 508008, 588165, 635010, 784220, 827160, 846680, 941064, 1176330, 1270020, 1568440, 2352660, 2391871, 2540040, 4705320, 4783742, 7175613, 9567484, 11959355, 14351226, 19134968, 23918710, 28702452, 35878065, 47837420, 57404904, 71756130, 95674840, 143512260, 287024520]

約数ペア:

[(1, 287024520), (2, 143512260), (3, 95674840), (4, 71756130), (5, 57404904), (6, 47837420), (8, 35878065), (10, 28702452), (12, 23918710), (15, 19134968), (20, 14351226), (24, 11959355), (30, 9567484), (40, 7175613), (60, 4783742), (61, 4705320), (113, 2540040), (120, 2391871), (122, 2352660), (183, 1568440), (226, 1270020), (244, 1176330), (305, 941064), (339, 846680), (347, 827160), (366, 784220), (452, 635010), (488, 588165), (565, 508008), (610, 470532), (678, 423340), (694, 413580), (732, 392110), (904, 317505), (915, 313688), (1041, 275720), (1130, 254004), (1220, 235266), (1356, 211670), (1388, 206790), (1464, 196055), (1695, 169336), (1735, 165432), (1830, 156844), (2082, 137860), (2260, 127002), (2440, 117633), (2712, 105835), (2776, 103395), (3390, 84668), (3470, 82716), (3660, 78422), (4164, 68930), (4520, 63501), (5205, 55144), (6780, 42334), (6893, 41640), (6940, 41358), (7320, 39211), (8328, 34465), (10410, 27572), (13560, 21167), (13786, 20820), (13880, 20679)]