128336868

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 383423040

約数和(自身を除く): 255086172

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 37, 38, 44, 57, 66, 74, 76, 99, 111, 114, 132, 148, 171, 198, 209, 222, 228, 333, 342, 396, 407, 418, 444, 461, 627, 666, 684, 703, 814, 836, 922, 1221, 1254, 1332, 1383, 1406, 1628, 1844, 1881, 2109, 2442, 2508, 2766, 2812, 3663, 3762, 4149, 4218, 4884, 5071, 5532, 6327, 7326, 7524, 7733, 8298, 8436, 8759, 10142, 12654, 14652, 15213, 15466, 16596, 17057, 17518, 20284, 23199, 25308, 26277, 30426, 30932, 34114, 35036, 45639, 46398, 51171, 52554, 60852, 68228, 69597, 78831, 91278, 92796, 96349, 102342, 105108, 139194, 153513, 157662, 182556, 187627, 192698, 204684, 278388, 289047, 307026, 315324, 324083, 375254, 385396, 562881, 578094, 614052, 648166, 750508, 867141, 972249, 1125762, 1156188, 1296332, 1688643, 1734282, 1944498, 2251524, 2916747, 3377286, 3468564, 3564913, 3888996, 5833494, 6754572, 7129826, 10694739, 11666988, 14259652, 21389478, 32084217, 42778956, 64168434, 128336868]

約数ペア:

[(1, 128336868), (2, 64168434), (3, 42778956), (4, 32084217), (6, 21389478), (9, 14259652), (11, 11666988), (12, 10694739), (18, 7129826), (19, 6754572), (22, 5833494), (33, 3888996), (36, 3564913), (37, 3468564), (38, 3377286), (44, 2916747), (57, 2251524), (66, 1944498), (74, 1734282), (76, 1688643), (99, 1296332), (111, 1156188), (114, 1125762), (132, 972249), (148, 867141), (171, 750508), (198, 648166), (209, 614052), (222, 578094), (228, 562881), (333, 385396), (342, 375254), (396, 324083), (407, 315324), (418, 307026), (444, 289047), (461, 278388), (627, 204684), (666, 192698), (684, 187627), (703, 182556), (814, 157662), (836, 153513), (922, 139194), (1221, 105108), (1254, 102342), (1332, 96349), (1383, 92796), (1406, 91278), (1628, 78831), (1844, 69597), (1881, 68228), (2109, 60852), (2442, 52554), (2508, 51171), (2766, 46398), (2812, 45639), (3663, 35036), (3762, 34114), (4149, 30932), (4218, 30426), (4884, 26277), (5071, 25308), (5532, 23199), (6327, 20284), (7326, 17518), (7524, 17057), (7733, 16596), (8298, 15466), (8436, 15213), (8759, 14652), (10142, 12654)]