330880640

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 826750800

約数和(自身を除く): 495870160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 89, 128, 148, 157, 160, 178, 185, 296, 314, 320, 356, 370, 445, 592, 628, 640, 712, 740, 785, 890, 1184, 1256, 1424, 1480, 1570, 1780, 2368, 2512, 2848, 2960, 3140, 3293, 3560, 4736, 5024, 5696, 5809, 5920, 6280, 6586, 7120, 10048, 11392, 11618, 11840, 12560, 13172, 13973, 14240, 16465, 20096, 23236, 23680, 25120, 26344, 27946, 28480, 29045, 32930, 46472, 50240, 52688, 55892, 56960, 58090, 65860, 69865, 92944, 100480, 105376, 111784, 116180, 131720, 139730, 185888, 210752, 223568, 232360, 263440, 279460, 371776, 421504, 447136, 464720, 517001, 526880, 558920, 743552, 894272, 929440, 1034002, 1053760, 1117840, 1788544, 1858880, 2068004, 2107520, 2235680, 2585005, 3717760, 4136008, 4471360, 5170010, 8272016, 8942720, 10340020, 16544032, 20680040, 33088064, 41360080, 66176128, 82720160, 165440320, 330880640]

約数ペア:

[(1, 330880640), (2, 165440320), (4, 82720160), (5, 66176128), (8, 41360080), (10, 33088064), (16, 20680040), (20, 16544032), (32, 10340020), (37, 8942720), (40, 8272016), (64, 5170010), (74, 4471360), (80, 4136008), (89, 3717760), (128, 2585005), (148, 2235680), (157, 2107520), (160, 2068004), (178, 1858880), (185, 1788544), (296, 1117840), (314, 1053760), (320, 1034002), (356, 929440), (370, 894272), (445, 743552), (592, 558920), (628, 526880), (640, 517001), (712, 464720), (740, 447136), (785, 421504), (890, 371776), (1184, 279460), (1256, 263440), (1424, 232360), (1480, 223568), (1570, 210752), (1780, 185888), (2368, 139730), (2512, 131720), (2848, 116180), (2960, 111784), (3140, 105376), (3293, 100480), (3560, 92944), (4736, 69865), (5024, 65860), (5696, 58090), (5809, 56960), (5920, 55892), (6280, 52688), (6586, 50240), (7120, 46472), (10048, 32930), (11392, 29045), (11618, 28480), (11840, 27946), (12560, 26344), (13172, 25120), (13973, 23680), (14240, 23236), (16465, 20096)]