312999840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{217361}}^1$

素因数の和:217382

約数の個数: 72

約数和(自身を含む): 1068116868

約数和(自身を除く): 755117028

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 217361, 434722, 652083, 869444, 1086805, 1304166, 1738888, 1956249, 2173610, 2608332, 3260415, 3477776, 3912498, 4347220, 5216664, 6520830, 6955552, 7824996, 8694440, 9781245, 10433328, 13041660, 15649992, 17388880, 19562490, 20866656, 26083320, 31299984, 34777760, 39124980, 52166640, 62599968, 78249960, 104333280, 156499920, 312999840]

約数ペア:

[(1, 312999840), (2, 156499920), (3, 104333280), (4, 78249960), (5, 62599968), (6, 52166640), (8, 39124980), (9, 34777760), (10, 31299984), (12, 26083320), (15, 20866656), (16, 19562490), (18, 17388880), (20, 15649992), (24, 13041660), (30, 10433328), (32, 9781245), (36, 8694440), (40, 7824996), (45, 6955552), (48, 6520830), (60, 5216664), (72, 4347220), (80, 3912498), (90, 3477776), (96, 3260415), (120, 2608332), (144, 2173610), (160, 1956249), (180, 1738888), (240, 1304166), (288, 1086805), (360, 869444), (480, 652083), (720, 434722), (1440, 217361)]