2549621.00000000

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 252435456

約数和(自身を除く): 180223596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 223, 252, 257, 315, 420, 446, 514, 630, 669, 771, 892, 1028, 1115, 1260, 1285, 1338, 1542, 1561, 1799, 2007, 2230, 2313, 2570, 2676, 3084, 3122, 3345, 3598, 3855, 4014, 4460, 4626, 4683, 5140, 5397, 6244, 6690, 7196, 7710, 7805, 8028, 8995, 9252, 9366, 10035, 10794, 11565, 13380, 14049, 15420, 15610, 16191, 17990, 18732, 20070, 21588, 23130, 23415, 26985, 28098, 31220, 32382, 35980, 40140, 46260, 46830, 53970, 56196, 57311, 64764, 70245, 80955, 93660, 107940, 114622, 140490, 161910, 171933, 229244, 280980, 286555, 323820, 343866, 401177, 515799, 573110, 687732, 802354, 859665, 1031598, 1146220, 1203531, 1604708, 1719330, 2005885, 2063196, 2407062, 2578995, 3438660, 3610593, 4011770, 4814124, 5157990, 6017655, 7221186, 8023540, 10315980, 12035310, 14442372, 18052965, 24070620, 36105930, 72211860]

約数ペア:

[(1, 72211860), (2, 36105930), (3, 24070620), (4, 18052965), (5, 14442372), (6, 12035310), (7, 10315980), (9, 8023540), (10, 7221186), (12, 6017655), (14, 5157990), (15, 4814124), (18, 4011770), (20, 3610593), (21, 3438660), (28, 2578995), (30, 2407062), (35, 2063196), (36, 2005885), (42, 1719330), (45, 1604708), (60, 1203531), (63, 1146220), (70, 1031598), (84, 859665), (90, 802354), (105, 687732), (126, 573110), (140, 515799), (180, 401177), (210, 343866), (223, 323820), (252, 286555), (257, 280980), (315, 229244), (420, 171933), (446, 161910), (514, 140490), (630, 114622), (669, 107940), (771, 93660), (892, 80955), (1028, 70245), (1115, 64764), (1260, 57311), (1285, 56196), (1338, 53970), (1542, 46830), (1561, 46260), (1799, 40140), (2007, 35980), (2230, 32382), (2313, 31220), (2570, 28098), (2676, 26985), (3084, 23415), (3122, 23130), (3345, 21588), (3598, 20070), (3855, 18732), (4014, 17990), (4460, 16191), (4626, 15610), (4683, 15420), (5140, 14049), (5397, 13380), (6244, 11565), (6690, 10794), (7196, 10035), (7710, 9366), (7805, 9252), (8028, 8995)]