56708920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 88443080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 31, 38, 40, 58, 62, 76, 83, 95, 116, 124, 145, 152, 155, 166, 190, 232, 248, 290, 310, 332, 380, 415, 551, 580, 589, 620, 664, 760, 830, 899, 1102, 1160, 1178, 1240, 1577, 1660, 1798, 2204, 2356, 2407, 2573, 2755, 2945, 3154, 3320, 3596, 4408, 4495, 4712, 4814, 5146, 5510, 5890, 6308, 7192, 7885, 8990, 9628, 10292, 11020, 11780, 12035, 12616, 12865, 15770, 17081, 17980, 19256, 20584, 22040, 23560, 24070, 25730, 31540, 34162, 35960, 45733, 48140, 48887, 51460, 63080, 68324, 74617, 85405, 91466, 96280, 97774, 102920, 136648, 149234, 170810, 182932, 195548, 228665, 244435, 298468, 341620, 365864, 373085, 391096, 457330, 488870, 596936, 683240, 746170, 914660, 977740, 1417723, 1492340, 1829320, 1955480, 2835446, 2984680, 5670892, 7088615, 11341784, 14177230, 28354460, 56708920]

約数ペア:

[(1, 56708920), (2, 28354460), (4, 14177230), (5, 11341784), (8, 7088615), (10, 5670892), (19, 2984680), (20, 2835446), (29, 1955480), (31, 1829320), (38, 1492340), (40, 1417723), (58, 977740), (62, 914660), (76, 746170), (83, 683240), (95, 596936), (116, 488870), (124, 457330), (145, 391096), (152, 373085), (155, 365864), (166, 341620), (190, 298468), (232, 244435), (248, 228665), (290, 195548), (310, 182932), (332, 170810), (380, 149234), (415, 136648), (551, 102920), (580, 97774), (589, 96280), (620, 91466), (664, 85405), (760, 74617), (830, 68324), (899, 63080), (1102, 51460), (1160, 48887), (1178, 48140), (1240, 45733), (1577, 35960), (1660, 34162), (1798, 31540), (2204, 25730), (2356, 24070), (2407, 23560), (2573, 22040), (2755, 20584), (2945, 19256), (3154, 17980), (3320, 17081), (3596, 15770), (4408, 12865), (4495, 12616), (4712, 12035), (4814, 11780), (5146, 11020), (5510, 10292), (5890, 9628), (6308, 8990), (7192, 7885)]