51820720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 147240576

約数和(自身を除く): 95419856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 41, 56, 61, 70, 74, 80, 82, 112, 122, 140, 148, 164, 185, 205, 244, 259, 280, 287, 296, 305, 328, 370, 410, 427, 488, 518, 560, 574, 592, 610, 656, 740, 820, 854, 976, 1036, 1148, 1220, 1295, 1435, 1480, 1517, 1640, 1708, 2072, 2135, 2257, 2296, 2440, 2501, 2590, 2870, 2960, 3034, 3280, 3416, 4144, 4270, 4514, 4592, 4880, 5002, 5180, 5740, 6068, 6832, 7585, 8540, 9028, 10004, 10360, 10619, 11285, 11480, 12136, 12505, 15170, 15799, 17080, 17507, 18056, 20008, 20720, 21238, 22570, 22960, 24272, 25010, 30340, 31598, 34160, 35014, 36112, 40016, 42476, 45140, 50020, 53095, 60680, 63196, 70028, 78995, 84952, 87535, 90280, 92537, 100040, 106190, 121360, 126392, 140056, 157990, 169904, 175070, 180560, 185074, 200080, 212380, 252784, 280112, 315980, 350140, 370148, 424760, 462685, 631960, 647759, 700280, 740296, 849520, 925370, 1263920, 1295518, 1400560, 1480592, 1850740, 2591036, 3238795, 3701480, 5182072, 6477590, 7402960, 10364144, 12955180, 25910360, 51820720]

約数ペア:

[(1, 51820720), (2, 25910360), (4, 12955180), (5, 10364144), (7, 7402960), (8, 6477590), (10, 5182072), (14, 3701480), (16, 3238795), (20, 2591036), (28, 1850740), (35, 1480592), (37, 1400560), (40, 1295518), (41, 1263920), (56, 925370), (61, 849520), (70, 740296), (74, 700280), (80, 647759), (82, 631960), (112, 462685), (122, 424760), (140, 370148), (148, 350140), (164, 315980), (185, 280112), (205, 252784), (244, 212380), (259, 200080), (280, 185074), (287, 180560), (296, 175070), (305, 169904), (328, 157990), (370, 140056), (410, 126392), (427, 121360), (488, 106190), (518, 100040), (560, 92537), (574, 90280), (592, 87535), (610, 84952), (656, 78995), (740, 70028), (820, 63196), (854, 60680), (976, 53095), (1036, 50020), (1148, 45140), (1220, 42476), (1295, 40016), (1435, 36112), (1480, 35014), (1517, 34160), (1640, 31598), (1708, 30340), (2072, 25010), (2135, 24272), (2257, 22960), (2296, 22570), (2440, 21238), (2501, 20720), (2590, 20008), (2870, 18056), (2960, 17507), (3034, 17080), (3280, 15799), (3416, 15170), (4144, 12505), (4270, 12136), (4514, 11480), (4592, 11285), (4880, 10619), (5002, 10360), (5180, 10004), (5740, 9028), (6068, 8540), (6832, 7585)]