820654380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{50101}}^1$

素因数の和:50136

約数の個数: 144

約数和(自身を含む): 3063837504

約数和(自身を除く): 2243183124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 50101, 100202, 150303, 200404, 250505, 300606, 350707, 450909, 501010, 601212, 651313, 701414, 751515, 901818, 1002020, 1052121, 1302626, 1402828, 1503030, 1753535, 1803636, 1953939, 2104242, 2254545, 2605252, 3006060, 3156363, 3256565, 3507070, 3907878, 4208484, 4509090, 4559191, 5260605, 5861817, 6312726, 6513130, 7014140, 7815756, 9018180, 9118382, 9769695, 10521210, 11723634, 12625452, 13026260, 13677573, 15781815, 18236764, 19539390, 21042420, 22795955, 23447268, 27355146, 29309085, 31563630, 39078780, 41032719, 45591910, 54710292, 58618170, 63127260, 68387865, 82065438, 91183820, 117236340, 136775730, 164130876, 205163595, 273551460, 410327190, 820654380]

約数ペア:

[(1, 820654380), (2, 410327190), (3, 273551460), (4, 205163595), (5, 164130876), (6, 136775730), (7, 117236340), (9, 91183820), (10, 82065438), (12, 68387865), (13, 63127260), (14, 58618170), (15, 54710292), (18, 45591910), (20, 41032719), (21, 39078780), (26, 31563630), (28, 29309085), (30, 27355146), (35, 23447268), (36, 22795955), (39, 21042420), (42, 19539390), (45, 18236764), (52, 15781815), (60, 13677573), (63, 13026260), (65, 12625452), (70, 11723634), (78, 10521210), (84, 9769695), (90, 9118382), (91, 9018180), (105, 7815756), (117, 7014140), (126, 6513130), (130, 6312726), (140, 5861817), (156, 5260605), (180, 4559191), (182, 4509090), (195, 4208484), (210, 3907878), (234, 3507070), (252, 3256565), (260, 3156363), (273, 3006060), (315, 2605252), (364, 2254545), (390, 2104242), (420, 1953939), (455, 1803636), (468, 1753535), (546, 1503030), (585, 1402828), (630, 1302626), (780, 1052121), (819, 1002020), (910, 901818), (1092, 751515), (1170, 701414), (1260, 651313), (1365, 601212), (1638, 501010), (1820, 450909), (2340, 350707), (2730, 300606), (3276, 250505), (4095, 200404), (5460, 150303), (8190, 100202), (16380, 50101)]