878941980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2243}}^1$

素因数の和:2576

約数の個数: 144

約数和(自身を含む): 3058159104

約数和(自身を除く): 2179217124

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, 252, 311, 315, 420, 622, 630, 933, 1244, 1260, 1555, 1866, 2177, 2243, 2799, 3110, 3732, 4354, 4486, 4665, 5598, 6220, 6531, 6729, 8708, 8972, 9330, 10885, 11196, 11215, 13062, 13458, 13995, 15701, 18660, 19593, 20187, 21770, 22430, 26124, 26916, 27990, 31402, 32655, 33645, 39186, 40374, 43540, 44860, 47103, 55980, 62804, 65310, 67290, 78372, 78505, 80748, 94206, 97965, 100935, 130620, 134580, 141309, 157010, 188412, 195930, 201870, 235515, 282618, 314020, 391860, 403740, 471030, 565236, 697573, 706545, 942060, 1395146, 1413090, 2092719, 2790292, 2826180, 3487865, 4185438, 4883011, 6278157, 6975730, 8370876, 9766022, 10463595, 12556314, 13951460, 14649033, 19532044, 20927190, 24415055, 25112628, 29298066, 31390785, 41854380, 43947099, 48830110, 58596132, 62781570, 73245165, 87894198, 97660220, 125563140, 146490330, 175788396, 219735495, 292980660, 439470990, 878941980]

約数ペア:

[(1, 878941980), (2, 439470990), (3, 292980660), (4, 219735495), (5, 175788396), (6, 146490330), (7, 125563140), (9, 97660220), (10, 87894198), (12, 73245165), (14, 62781570), (15, 58596132), (18, 48830110), (20, 43947099), (21, 41854380), (28, 31390785), (30, 29298066), (35, 25112628), (36, 24415055), (42, 20927190), (45, 19532044), (60, 14649033), (63, 13951460), (70, 12556314), (84, 10463595), (90, 9766022), (105, 8370876), (126, 6975730), (140, 6278157), (180, 4883011), (210, 4185438), (252, 3487865), (311, 2826180), (315, 2790292), (420, 2092719), (622, 1413090), (630, 1395146), (933, 942060), (1244, 706545), (1260, 697573), (1555, 565236), (1866, 471030), (2177, 403740), (2243, 391860), (2799, 314020), (3110, 282618), (3732, 235515), (4354, 201870), (4486, 195930), (4665, 188412), (5598, 157010), (6220, 141309), (6531, 134580), (6729, 130620), (8708, 100935), (8972, 97965), (9330, 94206), (10885, 80748), (11196, 78505), (11215, 78372), (13062, 67290), (13458, 65310), (13995, 62804), (15701, 55980), (18660, 47103), (19593, 44860), (20187, 43540), (21770, 40374), (22430, 39186), (26124, 33645), (26916, 32655), (27990, 31402)]