216545560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 612541440

約数和(自身を除く): 395995880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 167, 220, 280, 308, 334, 385, 421, 440, 616, 668, 770, 835, 842, 1169, 1336, 1540, 1670, 1684, 1837, 2105, 2338, 2947, 3080, 3340, 3368, 3674, 4210, 4631, 4676, 5845, 5894, 6680, 7348, 8420, 9185, 9262, 9352, 11690, 11788, 12859, 14696, 14735, 16840, 18370, 18524, 23155, 23380, 23576, 25718, 29470, 32417, 36740, 37048, 46310, 46760, 51436, 58940, 64295, 64834, 70307, 73480, 92620, 102872, 117880, 128590, 129668, 140614, 162085, 185240, 257180, 259336, 281228, 324170, 351535, 492149, 514360, 562456, 648340, 703070, 773377, 984298, 1296680, 1406140, 1546754, 1968596, 2460745, 2812280, 3093508, 3866885, 3937192, 4921490, 5413639, 6187016, 7733770, 9842980, 10827278, 15467540, 19685960, 21654556, 27068195, 30935080, 43309112, 54136390, 108272780, 216545560]

約数ペア:

[(1, 216545560), (2, 108272780), (4, 54136390), (5, 43309112), (7, 30935080), (8, 27068195), (10, 21654556), (11, 19685960), (14, 15467540), (20, 10827278), (22, 9842980), (28, 7733770), (35, 6187016), (40, 5413639), (44, 4921490), (55, 3937192), (56, 3866885), (70, 3093508), (77, 2812280), (88, 2460745), (110, 1968596), (140, 1546754), (154, 1406140), (167, 1296680), (220, 984298), (280, 773377), (308, 703070), (334, 648340), (385, 562456), (421, 514360), (440, 492149), (616, 351535), (668, 324170), (770, 281228), (835, 259336), (842, 257180), (1169, 185240), (1336, 162085), (1540, 140614), (1670, 129668), (1684, 128590), (1837, 117880), (2105, 102872), (2338, 92620), (2947, 73480), (3080, 70307), (3340, 64834), (3368, 64295), (3674, 58940), (4210, 51436), (4631, 46760), (4676, 46310), (5845, 37048), (5894, 36740), (6680, 32417), (7348, 29470), (8420, 25718), (9185, 23576), (9262, 23380), (9352, 23155), (11690, 18524), (11788, 18370), (12859, 16840), (14696, 14735)]