72158730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 207415296

約数和(自身を除く): 135256566

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 61, 70, 86, 105, 122, 129, 131, 183, 210, 215, 258, 262, 301, 305, 366, 393, 427, 430, 602, 610, 645, 655, 786, 854, 903, 915, 917, 1281, 1290, 1310, 1505, 1806, 1830, 1834, 1965, 2135, 2562, 2623, 2751, 3010, 3930, 4270, 4515, 4585, 5246, 5502, 5633, 6405, 7869, 7991, 9030, 9170, 11266, 12810, 13115, 13755, 15738, 15982, 16899, 18361, 23973, 26230, 27510, 28165, 33798, 36722, 39345, 39431, 39955, 47946, 55083, 55937, 56330, 78690, 78862, 79910, 84495, 91805, 110166, 111874, 118293, 119865, 167811, 168990, 183610, 197155, 236586, 239730, 275415, 279685, 335622, 343613, 394310, 550830, 559370, 591465, 687226, 839055, 1030839, 1182930, 1678110, 1718065, 2061678, 2405291, 3436130, 4810582, 5154195, 7215873, 10308390, 12026455, 14431746, 24052910, 36079365, 72158730]

約数ペア:

[(1, 72158730), (2, 36079365), (3, 24052910), (5, 14431746), (6, 12026455), (7, 10308390), (10, 7215873), (14, 5154195), (15, 4810582), (21, 3436130), (30, 2405291), (35, 2061678), (42, 1718065), (43, 1678110), (61, 1182930), (70, 1030839), (86, 839055), (105, 687226), (122, 591465), (129, 559370), (131, 550830), (183, 394310), (210, 343613), (215, 335622), (258, 279685), (262, 275415), (301, 239730), (305, 236586), (366, 197155), (393, 183610), (427, 168990), (430, 167811), (602, 119865), (610, 118293), (645, 111874), (655, 110166), (786, 91805), (854, 84495), (903, 79910), (915, 78862), (917, 78690), (1281, 56330), (1290, 55937), (1310, 55083), (1505, 47946), (1806, 39955), (1830, 39431), (1834, 39345), (1965, 36722), (2135, 33798), (2562, 28165), (2623, 27510), (2751, 26230), (3010, 23973), (3930, 18361), (4270, 16899), (4515, 15982), (4585, 15738), (5246, 13755), (5502, 13115), (5633, 12810), (6405, 11266), (7869, 9170), (7991, 9030)]