72180108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2044

約数の個数: 144

約数和(自身を含む): 245097216

約数和(自身を除く): 172917108

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 572, 693, 819, 858, 924, 1001, 1092, 1287, 1386, 1638, 1716, 2002, 2003, 2574, 2772, 3003, 3276, 4004, 4006, 5148, 6006, 6009, 8012, 9009, 12012, 12018, 14021, 18018, 18027, 22033, 24036, 26039, 28042, 36036, 36054, 42063, 44066, 52078, 56084, 66099, 72108, 78117, 84126, 88132, 104156, 126189, 132198, 154231, 156234, 168252, 182273, 198297, 234351, 252378, 264396, 286429, 308462, 312468, 364546, 396594, 462693, 468702, 504756, 546819, 572858, 616924, 729092, 793188, 859287, 925386, 937404, 1093638, 1145716, 1388079, 1640457, 1718574, 1850772, 2005003, 2187276, 2577861, 2776158, 3280914, 3437148, 4010006, 5155722, 5552316, 6015009, 6561828, 8020012, 10311444, 12030018, 18045027, 24060036, 36090054, 72180108]

約数ペア:

[(1, 72180108), (2, 36090054), (3, 24060036), (4, 18045027), (6, 12030018), (7, 10311444), (9, 8020012), (11, 6561828), (12, 6015009), (13, 5552316), (14, 5155722), (18, 4010006), (21, 3437148), (22, 3280914), (26, 2776158), (28, 2577861), (33, 2187276), (36, 2005003), (39, 1850772), (42, 1718574), (44, 1640457), (52, 1388079), (63, 1145716), (66, 1093638), (77, 937404), (78, 925386), (84, 859287), (91, 793188), (99, 729092), (117, 616924), (126, 572858), (132, 546819), (143, 504756), (154, 468702), (156, 462693), (182, 396594), (198, 364546), (231, 312468), (234, 308462), (252, 286429), (273, 264396), (286, 252378), (308, 234351), (364, 198297), (396, 182273), (429, 168252), (462, 156234), (468, 154231), (546, 132198), (572, 126189), (693, 104156), (819, 88132), (858, 84126), (924, 78117), (1001, 72108), (1092, 66099), (1287, 56084), (1386, 52078), (1638, 44066), (1716, 42063), (2002, 36054), (2003, 36036), (2574, 28042), (2772, 26039), (3003, 24036), (3276, 22033), (4004, 18027), (4006, 18018), (5148, 14021), (6006, 12018), (6009, 12012), (8012, 9009)]