765280880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3455

約数の個数: 160

約数和(自身を含む): 2261188608

約数和(自身を除く): 1495907728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3391, 3472, 3640, 4030, 4340, 5642, 6448, 6782, 7280, 8060, 8680, 11284, 13564, 14105, 16120, 16955, 17360, 22568, 23737, 27128, 28210, 32240, 33910, 44083, 45136, 47474, 54256, 56420, 67820, 88166, 94948, 105121, 112840, 118685, 135640, 176332, 189896, 210242, 220415, 225680, 237370, 271280, 308581, 352664, 379792, 420484, 440830, 474740, 525605, 617162, 705328, 735847, 840968, 881660, 949480, 1051210, 1234324, 1366573, 1471694, 1542905, 1681936, 1763320, 1898960, 2102420, 2468648, 2733146, 2943388, 3085810, 3526640, 3679235, 4204840, 4937296, 5466292, 5886776, 6171620, 6832865, 7358470, 8409680, 9566011, 10932584, 11773552, 12343240, 13665730, 14716940, 19132022, 21865168, 24686480, 27331460, 29433880, 38264044, 47830055, 54662920, 58867760, 76528088, 95660110, 109325840, 153056176, 191320220, 382640440, 765280880]

約数ペア:

[(1, 765280880), (2, 382640440), (4, 191320220), (5, 153056176), (7, 109325840), (8, 95660110), (10, 76528088), (13, 58867760), (14, 54662920), (16, 47830055), (20, 38264044), (26, 29433880), (28, 27331460), (31, 24686480), (35, 21865168), (40, 19132022), (52, 14716940), (56, 13665730), (62, 12343240), (65, 11773552), (70, 10932584), (80, 9566011), (91, 8409680), (104, 7358470), (112, 6832865), (124, 6171620), (130, 5886776), (140, 5466292), (155, 4937296), (182, 4204840), (208, 3679235), (217, 3526640), (248, 3085810), (260, 2943388), (280, 2733146), (310, 2468648), (364, 2102420), (403, 1898960), (434, 1763320), (455, 1681936), (496, 1542905), (520, 1471694), (560, 1366573), (620, 1234324), (728, 1051210), (806, 949480), (868, 881660), (910, 840968), (1040, 735847), (1085, 705328), (1240, 617162), (1456, 525605), (1612, 474740), (1736, 440830), (1820, 420484), (2015, 379792), (2170, 352664), (2480, 308581), (2821, 271280), (3224, 237370), (3391, 225680), (3472, 220415), (3640, 210242), (4030, 189896), (4340, 176332), (5642, 135640), (6448, 118685), (6782, 112840), (7280, 105121), (8060, 94948), (8680, 88166), (11284, 67820), (13564, 56420), (14105, 54256), (16120, 47474), (16955, 45136), (17360, 44083), (22568, 33910), (23737, 32240), (27128, 28210)]