72181746

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 203266560

約数和(自身を除く): 131084814

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 91, 111, 117, 126, 182, 189, 222, 234, 259, 273, 333, 351, 378, 397, 481, 518, 546, 666, 702, 777, 794, 819, 962, 999, 1191, 1443, 1554, 1638, 1998, 2331, 2382, 2457, 2779, 2886, 3367, 3573, 4329, 4662, 4914, 5161, 5558, 6734, 6993, 7146, 8337, 8658, 10101, 10322, 10719, 12987, 13986, 14689, 15483, 16674, 20202, 21438, 25011, 25974, 29378, 30303, 30966, 36127, 44067, 46449, 50022, 60606, 72254, 75033, 88134, 90909, 92898, 102823, 108381, 132201, 139347, 150066, 181818, 190957, 205646, 216762, 264402, 278694, 308469, 325143, 381914, 396603, 572871, 616938, 650286, 793206, 925407, 975429, 1145742, 1336699, 1718613, 1850814, 1950858, 2673398, 2776221, 3437226, 4010097, 5155839, 5552442, 8020194, 10311678, 12030291, 24060582, 36090873, 72181746]

約数ペア:

[(1, 72181746), (2, 36090873), (3, 24060582), (6, 12030291), (7, 10311678), (9, 8020194), (13, 5552442), (14, 5155839), (18, 4010097), (21, 3437226), (26, 2776221), (27, 2673398), (37, 1950858), (39, 1850814), (42, 1718613), (54, 1336699), (63, 1145742), (74, 975429), (78, 925407), (91, 793206), (111, 650286), (117, 616938), (126, 572871), (182, 396603), (189, 381914), (222, 325143), (234, 308469), (259, 278694), (273, 264402), (333, 216762), (351, 205646), (378, 190957), (397, 181818), (481, 150066), (518, 139347), (546, 132201), (666, 108381), (702, 102823), (777, 92898), (794, 90909), (819, 88134), (962, 75033), (999, 72254), (1191, 60606), (1443, 50022), (1554, 46449), (1638, 44067), (1998, 36127), (2331, 30966), (2382, 30303), (2457, 29378), (2779, 25974), (2886, 25011), (3367, 21438), (3573, 20202), (4329, 16674), (4662, 15483), (4914, 14689), (5161, 13986), (5558, 12987), (6734, 10719), (6993, 10322), (7146, 10101), (8337, 8658)]