30641920

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 75497184

約数和(自身を除く): 44855264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 647, 740, 1184, 1280, 1294, 1480, 2368, 2588, 2960, 3235, 4736, 5176, 5920, 6470, 9472, 10352, 11840, 12940, 20704, 23680, 23939, 25880, 41408, 47360, 47878, 51760, 82816, 95756, 103520, 119695, 165632, 191512, 207040, 239390, 383024, 414080, 478780, 766048, 828160, 957560, 1532096, 1915120, 3064192, 3830240, 6128384, 7660480, 15320960, 30641920]

約数ペア:

[(1, 30641920), (2, 15320960), (4, 7660480), (5, 6128384), (8, 3830240), (10, 3064192), (16, 1915120), (20, 1532096), (32, 957560), (37, 828160), (40, 766048), (64, 478780), (74, 414080), (80, 383024), (128, 239390), (148, 207040), (160, 191512), (185, 165632), (256, 119695), (296, 103520), (320, 95756), (370, 82816), (592, 51760), (640, 47878), (647, 47360), (740, 41408), (1184, 25880), (1280, 23939), (1294, 23680), (1480, 20704), (2368, 12940), (2588, 11840), (2960, 10352), (3235, 9472), (4736, 6470), (5176, 5920)]