31345440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 119024640

約数和(自身を除く): 87679200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 491, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 982, 1064, 1120, 1140, 1330, 1473, 1520, 1596, 1680, 1824, 1964, 1995, 2128, 2280, 2455, 2660, 2946, 3040, 3192, 3360, 3437, 3928, 3990, 4256, 4560, 4910, 5320, 5892, 6384, 6874, 7365, 7856, 7980, 9120, 9329, 9820, 10311, 10640, 11784, 12768, 13748, 14730, 15712, 15960, 17185, 18658, 19640, 20622, 21280, 23568, 27496, 27987, 29460, 31920, 34370, 37316, 39280, 41244, 46645, 47136, 51555, 54992, 55974, 58920, 63840, 65303, 68740, 74632, 78560, 82488, 93290, 103110, 109984, 111948, 117840, 130606, 137480, 139935, 149264, 164976, 186580, 195909, 206220, 223896, 235680, 261212, 274960, 279870, 298528, 326515, 329952, 373160, 391818, 412440, 447792, 522424, 549920, 559740, 653030, 746320, 783636, 824880, 895584, 979545, 1044848, 1119480, 1306060, 1492640, 1567272, 1649760, 1959090, 2089696, 2238960, 2612120, 3134544, 3918180, 4477920, 5224240, 6269088, 7836360, 10448480, 15672720, 31345440]

約数ペア:

[(1, 31345440), (2, 15672720), (3, 10448480), (4, 7836360), (5, 6269088), (6, 5224240), (7, 4477920), (8, 3918180), (10, 3134544), (12, 2612120), (14, 2238960), (15, 2089696), (16, 1959090), (19, 1649760), (20, 1567272), (21, 1492640), (24, 1306060), (28, 1119480), (30, 1044848), (32, 979545), (35, 895584), (38, 824880), (40, 783636), (42, 746320), (48, 653030), (56, 559740), (57, 549920), (60, 522424), (70, 447792), (76, 412440), (80, 391818), (84, 373160), (95, 329952), (96, 326515), (105, 298528), (112, 279870), (114, 274960), (120, 261212), (133, 235680), (140, 223896), (152, 206220), (160, 195909), (168, 186580), (190, 164976), (210, 149264), (224, 139935), (228, 137480), (240, 130606), (266, 117840), (280, 111948), (285, 109984), (304, 103110), (336, 93290), (380, 82488), (399, 78560), (420, 74632), (456, 68740), (480, 65303), (491, 63840), (532, 58920), (560, 55974), (570, 54992), (608, 51555), (665, 47136), (672, 46645), (760, 41244), (798, 39280), (840, 37316), (912, 34370), (982, 31920), (1064, 29460), (1120, 27987), (1140, 27496), (1330, 23568), (1473, 21280), (1520, 20622), (1596, 19640), (1680, 18658), (1824, 17185), (1964, 15960), (1995, 15712), (2128, 14730), (2280, 13748), (2455, 12768), (2660, 11784), (2946, 10640), (3040, 10311), (3192, 9820), (3360, 9329), (3437, 9120), (3928, 7980), (3990, 7856), (4256, 7365), (4560, 6874), (4910, 6384), (5320, 5892)]