39440160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 137100600

約数和(自身を除く): 97660440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 449, 480, 488, 549, 610, 720, 732, 898, 915, 976, 1098, 1220, 1347, 1440, 1464, 1796, 1830, 1952, 2196, 2245, 2440, 2694, 2745, 2928, 3592, 3660, 4041, 4392, 4490, 4880, 5388, 5490, 5856, 6735, 7184, 7320, 8082, 8784, 8980, 9760, 10776, 10980, 13470, 14368, 14640, 16164, 17568, 17960, 20205, 21552, 21960, 26940, 27389, 29280, 32328, 35920, 40410, 43104, 43920, 53880, 54778, 64656, 71840, 80820, 82167, 87840, 107760, 109556, 129312, 136945, 161640, 164334, 215520, 219112, 246501, 273890, 323280, 328668, 410835, 438224, 493002, 547780, 646560, 657336, 821670, 876448, 986004, 1095560, 1232505, 1314672, 1643340, 1972008, 2191120, 2465010, 2629344, 3286680, 3944016, 4382240, 4930020, 6573360, 7888032, 9860040, 13146720, 19720080, 39440160]

約数ペア:

[(1, 39440160), (2, 19720080), (3, 13146720), (4, 9860040), (5, 7888032), (6, 6573360), (8, 4930020), (9, 4382240), (10, 3944016), (12, 3286680), (15, 2629344), (16, 2465010), (18, 2191120), (20, 1972008), (24, 1643340), (30, 1314672), (32, 1232505), (36, 1095560), (40, 986004), (45, 876448), (48, 821670), (60, 657336), (61, 646560), (72, 547780), (80, 493002), (90, 438224), (96, 410835), (120, 328668), (122, 323280), (144, 273890), (160, 246501), (180, 219112), (183, 215520), (240, 164334), (244, 161640), (288, 136945), (305, 129312), (360, 109556), (366, 107760), (449, 87840), (480, 82167), (488, 80820), (549, 71840), (610, 64656), (720, 54778), (732, 53880), (898, 43920), (915, 43104), (976, 40410), (1098, 35920), (1220, 32328), (1347, 29280), (1440, 27389), (1464, 26940), (1796, 21960), (1830, 21552), (1952, 20205), (2196, 17960), (2245, 17568), (2440, 16164), (2694, 14640), (2745, 14368), (2928, 13470), (3592, 10980), (3660, 10776), (4041, 9760), (4392, 8980), (4490, 8784), (4880, 8082), (5388, 7320), (5490, 7184), (5856, 6735)]