81680830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 195416064

約数和(自身を除く): 113735234

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 47, 55, 61, 70, 74, 77, 94, 110, 122, 154, 185, 235, 259, 305, 329, 370, 385, 407, 427, 470, 517, 518, 610, 658, 671, 770, 814, 854, 1034, 1295, 1342, 1645, 1739, 2035, 2135, 2257, 2585, 2590, 2849, 2867, 3290, 3355, 3478, 3619, 4070, 4270, 4514, 4697, 5170, 5698, 5734, 6710, 7238, 8695, 9394, 11285, 12173, 14245, 14335, 15799, 17390, 18095, 19129, 20069, 22570, 23485, 24346, 24827, 28490, 28670, 31537, 31598, 36190, 38258, 40138, 46970, 49654, 60865, 63074, 78995, 95645, 100345, 106079, 121730, 124135, 133903, 157685, 157990, 173789, 191290, 200690, 212158, 220759, 248270, 267806, 315370, 347578, 441518, 530395, 669515, 742553, 868945, 1060790, 1103795, 1166869, 1339030, 1485106, 1737890, 2207590, 2333738, 3712765, 5834345, 7425530, 8168083, 11668690, 16336166, 40840415, 81680830]

約数ペア:

[(1, 81680830), (2, 40840415), (5, 16336166), (7, 11668690), (10, 8168083), (11, 7425530), (14, 5834345), (22, 3712765), (35, 2333738), (37, 2207590), (47, 1737890), (55, 1485106), (61, 1339030), (70, 1166869), (74, 1103795), (77, 1060790), (94, 868945), (110, 742553), (122, 669515), (154, 530395), (185, 441518), (235, 347578), (259, 315370), (305, 267806), (329, 248270), (370, 220759), (385, 212158), (407, 200690), (427, 191290), (470, 173789), (517, 157990), (518, 157685), (610, 133903), (658, 124135), (671, 121730), (770, 106079), (814, 100345), (854, 95645), (1034, 78995), (1295, 63074), (1342, 60865), (1645, 49654), (1739, 46970), (2035, 40138), (2135, 38258), (2257, 36190), (2585, 31598), (2590, 31537), (2849, 28670), (2867, 28490), (3290, 24827), (3355, 24346), (3478, 23485), (3619, 22570), (4070, 20069), (4270, 19129), (4514, 18095), (4697, 17390), (5170, 15799), (5698, 14335), (5734, 14245), (6710, 12173), (7238, 11285), (8695, 9394)]