80665668

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 209769560

約数和(自身を除く): 129103892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 109, 122, 183, 218, 244, 327, 337, 366, 436, 549, 654, 674, 732, 981, 1011, 1098, 1308, 1348, 1962, 2022, 2196, 3033, 3924, 4044, 6066, 6649, 12132, 13298, 19947, 20557, 26596, 36733, 39894, 41114, 59841, 61671, 73466, 79788, 82228, 110199, 119682, 123342, 146932, 185013, 220398, 239364, 246684, 330597, 370026, 440796, 661194, 740052, 1322388, 2240713, 4481426, 6722139, 8962852, 13444278, 20166417, 26888556, 40332834, 80665668]

約数ペア:

[(1, 80665668), (2, 40332834), (3, 26888556), (4, 20166417), (6, 13444278), (9, 8962852), (12, 6722139), (18, 4481426), (36, 2240713), (61, 1322388), (109, 740052), (122, 661194), (183, 440796), (218, 370026), (244, 330597), (327, 246684), (337, 239364), (366, 220398), (436, 185013), (549, 146932), (654, 123342), (674, 119682), (732, 110199), (981, 82228), (1011, 79788), (1098, 73466), (1308, 61671), (1348, 59841), (1962, 41114), (2022, 39894), (2196, 36733), (3033, 26596), (3924, 20557), (4044, 19947), (6066, 13298), (6649, 12132)]