42512120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 117849600

約数和(自身を除く): 75337480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 95, 122, 131, 133, 140, 152, 190, 244, 262, 266, 280, 305, 380, 427, 488, 524, 532, 610, 655, 665, 760, 854, 917, 1048, 1064, 1159, 1220, 1310, 1330, 1708, 1834, 2135, 2318, 2440, 2489, 2620, 2660, 3416, 3668, 4270, 4585, 4636, 4978, 5240, 5320, 5795, 7336, 7991, 8113, 8540, 9170, 9272, 9956, 11590, 12445, 15982, 16226, 17080, 17423, 18340, 19912, 23180, 24890, 31964, 32452, 34846, 36680, 39955, 40565, 46360, 49780, 55937, 63928, 64904, 69692, 79910, 81130, 87115, 99560, 111874, 139384, 151829, 159820, 162260, 174230, 223748, 279685, 303658, 319640, 324520, 348460, 447496, 559370, 607316, 696920, 759145, 1062803, 1118740, 1214632, 1518290, 2125606, 2237480, 3036580, 4251212, 5314015, 6073160, 8502424, 10628030, 21256060, 42512120]

約数ペア:

[(1, 42512120), (2, 21256060), (4, 10628030), (5, 8502424), (7, 6073160), (8, 5314015), (10, 4251212), (14, 3036580), (19, 2237480), (20, 2125606), (28, 1518290), (35, 1214632), (38, 1118740), (40, 1062803), (56, 759145), (61, 696920), (70, 607316), (76, 559370), (95, 447496), (122, 348460), (131, 324520), (133, 319640), (140, 303658), (152, 279685), (190, 223748), (244, 174230), (262, 162260), (266, 159820), (280, 151829), (305, 139384), (380, 111874), (427, 99560), (488, 87115), (524, 81130), (532, 79910), (610, 69692), (655, 64904), (665, 63928), (760, 55937), (854, 49780), (917, 46360), (1048, 40565), (1064, 39955), (1159, 36680), (1220, 34846), (1310, 32452), (1330, 31964), (1708, 24890), (1834, 23180), (2135, 19912), (2318, 18340), (2440, 17423), (2489, 17080), (2620, 16226), (2660, 15982), (3416, 12445), (3668, 11590), (4270, 9956), (4585, 9272), (4636, 9170), (4978, 8540), (5240, 8113), (5320, 7991), (5795, 7336)]