251300280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27197}}^1$

素因数の和:27229

約数の個数: 128

約数和(自身を含む): 939962880

約数和(自身を除く): 688662600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 27197, 54394, 81591, 108788, 135985, 163182, 190379, 217576, 271970, 299167, 326364, 380758, 407955, 543940, 571137, 598334, 652728, 761516, 815910, 897501, 951895, 1087880, 1142274, 1196668, 1495835, 1523032, 1631820, 1795002, 1903790, 2094169, 2284548, 2393336, 2855685, 2991670, 3263640, 3590004, 3807580, 4188338, 4487505, 4569096, 5711370, 5983340, 6282507, 7180008, 7615160, 8376676, 8975010, 10470845, 11422740, 11966680, 12565014, 16753352, 17950020, 20941690, 22845480, 25130028, 31412535, 35900040, 41883380, 50260056, 62825070, 83766760, 125650140, 251300280]

約数ペア:

[(1, 251300280), (2, 125650140), (3, 83766760), (4, 62825070), (5, 50260056), (6, 41883380), (7, 35900040), (8, 31412535), (10, 25130028), (11, 22845480), (12, 20941690), (14, 17950020), (15, 16753352), (20, 12565014), (21, 11966680), (22, 11422740), (24, 10470845), (28, 8975010), (30, 8376676), (33, 7615160), (35, 7180008), (40, 6282507), (42, 5983340), (44, 5711370), (55, 4569096), (56, 4487505), (60, 4188338), (66, 3807580), (70, 3590004), (77, 3263640), (84, 2991670), (88, 2855685), (105, 2393336), (110, 2284548), (120, 2094169), (132, 1903790), (140, 1795002), (154, 1631820), (165, 1523032), (168, 1495835), (210, 1196668), (220, 1142274), (231, 1087880), (264, 951895), (280, 897501), (308, 815910), (330, 761516), (385, 652728), (420, 598334), (440, 571137), (462, 543940), (616, 407955), (660, 380758), (770, 326364), (840, 299167), (924, 271970), (1155, 217576), (1320, 190379), (1540, 163182), (1848, 135985), (2310, 108788), (3080, 81591), (4620, 54394), (9240, 27197)]