272213480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2911

約数の個数: 128

約数和(自身を含む): 788520960

約数和(自身を除く): 516307480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2170, 2387, 2728, 2851, 3080, 3410, 4340, 4774, 5702, 6820, 8680, 9548, 11404, 11935, 13640, 14255, 19096, 19957, 22808, 23870, 28510, 31361, 39914, 47740, 57020, 62722, 79828, 88381, 95480, 99785, 114040, 125444, 156805, 159656, 176762, 199570, 219527, 250888, 313610, 353524, 399140, 439054, 441905, 618667, 627220, 707048, 798280, 878108, 883810, 972191, 1097635, 1237334, 1254440, 1756216, 1767620, 1944382, 2195270, 2474668, 3093335, 3535240, 3888764, 4390540, 4860955, 4949336, 6186670, 6805337, 7777528, 8781080, 9721910, 12373340, 13610674, 19443820, 24746680, 27221348, 34026685, 38887640, 54442696, 68053370, 136106740, 272213480]

約数ペア:

[(1, 272213480), (2, 136106740), (4, 68053370), (5, 54442696), (7, 38887640), (8, 34026685), (10, 27221348), (11, 24746680), (14, 19443820), (20, 13610674), (22, 12373340), (28, 9721910), (31, 8781080), (35, 7777528), (40, 6805337), (44, 6186670), (55, 4949336), (56, 4860955), (62, 4390540), (70, 3888764), (77, 3535240), (88, 3093335), (110, 2474668), (124, 2195270), (140, 1944382), (154, 1767620), (155, 1756216), (217, 1254440), (220, 1237334), (248, 1097635), (280, 972191), (308, 883810), (310, 878108), (341, 798280), (385, 707048), (434, 627220), (440, 618667), (616, 441905), (620, 439054), (682, 399140), (770, 353524), (868, 313610), (1085, 250888), (1240, 219527), (1364, 199570), (1540, 176762), (1705, 159656), (1736, 156805), (2170, 125444), (2387, 114040), (2728, 99785), (2851, 95480), (3080, 88381), (3410, 79828), (4340, 62722), (4774, 57020), (5702, 47740), (6820, 39914), (8680, 31361), (9548, 28510), (11404, 23870), (11935, 22808), (13640, 19957), (14255, 19096)]