90975080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 247726080

約数和(自身を除く): 156751000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 94, 124, 140, 155, 188, 217, 223, 235, 248, 280, 310, 329, 376, 434, 446, 470, 620, 658, 868, 892, 940, 1085, 1115, 1240, 1316, 1457, 1561, 1645, 1736, 1784, 1880, 2170, 2230, 2632, 2914, 3122, 3290, 4340, 4460, 5828, 6244, 6580, 6913, 7285, 7805, 8680, 8920, 10199, 10481, 11656, 12488, 13160, 13826, 14570, 15610, 20398, 20962, 27652, 29140, 31220, 34565, 40796, 41924, 48391, 50995, 52405, 55304, 58280, 62440, 69130, 73367, 81592, 83848, 96782, 101990, 104810, 138260, 146734, 193564, 203980, 209620, 241955, 276520, 293468, 324911, 366835, 387128, 407960, 419240, 483910, 586936, 649822, 733670, 967820, 1299644, 1467340, 1624555, 1935640, 2274377, 2599288, 2934680, 3249110, 4548754, 6498220, 9097508, 11371885, 12996440, 18195016, 22743770, 45487540, 90975080]

約数ペア:

[(1, 90975080), (2, 45487540), (4, 22743770), (5, 18195016), (7, 12996440), (8, 11371885), (10, 9097508), (14, 6498220), (20, 4548754), (28, 3249110), (31, 2934680), (35, 2599288), (40, 2274377), (47, 1935640), (56, 1624555), (62, 1467340), (70, 1299644), (94, 967820), (124, 733670), (140, 649822), (155, 586936), (188, 483910), (217, 419240), (223, 407960), (235, 387128), (248, 366835), (280, 324911), (310, 293468), (329, 276520), (376, 241955), (434, 209620), (446, 203980), (470, 193564), (620, 146734), (658, 138260), (868, 104810), (892, 101990), (940, 96782), (1085, 83848), (1115, 81592), (1240, 73367), (1316, 69130), (1457, 62440), (1561, 58280), (1645, 55304), (1736, 52405), (1784, 50995), (1880, 48391), (2170, 41924), (2230, 40796), (2632, 34565), (2914, 31220), (3122, 29140), (3290, 27652), (4340, 20962), (4460, 20398), (5828, 15610), (6244, 14570), (6580, 13826), (6913, 13160), (7285, 12488), (7805, 11656), (8680, 10481), (8920, 10199)]