74743480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 202752000

約数和(自身を除く): 128008520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 109, 124, 140, 155, 158, 217, 218, 248, 280, 310, 316, 395, 434, 436, 545, 553, 620, 632, 763, 790, 868, 872, 1085, 1090, 1106, 1240, 1526, 1580, 1736, 2170, 2180, 2212, 2449, 2765, 3052, 3160, 3379, 3815, 4340, 4360, 4424, 4898, 5530, 6104, 6758, 7630, 8611, 8680, 9796, 11060, 12245, 13516, 15260, 16895, 17143, 17222, 19592, 22120, 23653, 24490, 27032, 30520, 33790, 34286, 34444, 43055, 47306, 48980, 60277, 67580, 68572, 68888, 85715, 86110, 94612, 97960, 118265, 120554, 135160, 137144, 171430, 172220, 189224, 236530, 241108, 266941, 301385, 342860, 344440, 473060, 482216, 533882, 602770, 685720, 946120, 1067764, 1205540, 1334705, 1868587, 2135528, 2411080, 2669410, 3737174, 5338820, 7474348, 9342935, 10677640, 14948696, 18685870, 37371740, 74743480]

約数ペア:

[(1, 74743480), (2, 37371740), (4, 18685870), (5, 14948696), (7, 10677640), (8, 9342935), (10, 7474348), (14, 5338820), (20, 3737174), (28, 2669410), (31, 2411080), (35, 2135528), (40, 1868587), (56, 1334705), (62, 1205540), (70, 1067764), (79, 946120), (109, 685720), (124, 602770), (140, 533882), (155, 482216), (158, 473060), (217, 344440), (218, 342860), (248, 301385), (280, 266941), (310, 241108), (316, 236530), (395, 189224), (434, 172220), (436, 171430), (545, 137144), (553, 135160), (620, 120554), (632, 118265), (763, 97960), (790, 94612), (868, 86110), (872, 85715), (1085, 68888), (1090, 68572), (1106, 67580), (1240, 60277), (1526, 48980), (1580, 47306), (1736, 43055), (2170, 34444), (2180, 34286), (2212, 33790), (2449, 30520), (2765, 27032), (3052, 24490), (3160, 23653), (3379, 22120), (3815, 19592), (4340, 17222), (4360, 17143), (4424, 16895), (4898, 15260), (5530, 13516), (6104, 12245), (6758, 11060), (7630, 9796), (8611, 8680)]