31304960

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 77128296

約数和(自身を除く): 45823336

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, 661, 740, 1184, 1280, 1322, 1480, 2368, 2644, 2960, 3305, 4736, 5288, 5920, 6610, 9472, 10576, 11840, 13220, 21152, 23680, 24457, 26440, 42304, 47360, 48914, 52880, 84608, 97828, 105760, 122285, 169216, 195656, 211520, 244570, 391312, 423040, 489140, 782624, 846080, 978280, 1565248, 1956560, 3130496, 3913120, 6260992, 7826240, 15652480, 31304960]

約数ペア:

[(1, 31304960), (2, 15652480), (4, 7826240), (5, 6260992), (8, 3913120), (10, 3130496), (16, 1956560), (20, 1565248), (32, 978280), (37, 846080), (40, 782624), (64, 489140), (74, 423040), (80, 391312), (128, 244570), (148, 211520), (160, 195656), (185, 169216), (256, 122285), (296, 105760), (320, 97828), (370, 84608), (592, 52880), (640, 48914), (661, 47360), (740, 42304), (1184, 26440), (1280, 24457), (1322, 23680), (1480, 21152), (2368, 13220), (2644, 11840), (2960, 10576), (3305, 9472), (4736, 6610), (5288, 5920)]