643839560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2423}}^1$

素因数の和:2527

約数の個数: 128

約数和(自身を含む): 1808110080

約数和(自身を除く): 1164270520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 910, 949, 1022, 1460, 1820, 1898, 2044, 2423, 2555, 2920, 3640, 3796, 4088, 4745, 4846, 5110, 6643, 7592, 9490, 9692, 10220, 12115, 13286, 16961, 18980, 19384, 20440, 24230, 26572, 31499, 33215, 33922, 37960, 48460, 53144, 62998, 66430, 67844, 84805, 96920, 125996, 132860, 135688, 157495, 169610, 176879, 220493, 251992, 265720, 314990, 339220, 353758, 440986, 629980, 678440, 707516, 881972, 884395, 1102465, 1238153, 1259960, 1415032, 1763944, 1768790, 2204930, 2299427, 2476306, 3537580, 4409860, 4598854, 4952612, 6190765, 7075160, 8819720, 9197708, 9905224, 11497135, 12381530, 16095989, 18395416, 22994270, 24763060, 32191978, 45988540, 49526120, 64383956, 80479945, 91977080, 128767912, 160959890, 321919780, 643839560]

約数ペア:

[(1, 643839560), (2, 321919780), (4, 160959890), (5, 128767912), (7, 91977080), (8, 80479945), (10, 64383956), (13, 49526120), (14, 45988540), (20, 32191978), (26, 24763060), (28, 22994270), (35, 18395416), (40, 16095989), (52, 12381530), (56, 11497135), (65, 9905224), (70, 9197708), (73, 8819720), (91, 7075160), (104, 6190765), (130, 4952612), (140, 4598854), (146, 4409860), (182, 3537580), (260, 2476306), (280, 2299427), (292, 2204930), (364, 1768790), (365, 1763944), (455, 1415032), (511, 1259960), (520, 1238153), (584, 1102465), (728, 884395), (730, 881972), (910, 707516), (949, 678440), (1022, 629980), (1460, 440986), (1820, 353758), (1898, 339220), (2044, 314990), (2423, 265720), (2555, 251992), (2920, 220493), (3640, 176879), (3796, 169610), (4088, 157495), (4745, 135688), (4846, 132860), (5110, 125996), (6643, 96920), (7592, 84805), (9490, 67844), (9692, 66430), (10220, 62998), (12115, 53144), (13286, 48460), (16961, 37960), (18980, 33922), (19384, 33215), (20440, 31499), (24230, 26572)]