2159280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{2999}}^1$

素因数の和:3018

約数の個数: 60

約数和(自身を含む): 7254000

約数和(自身を除く): 5094720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 2999, 5998, 8997, 11996, 14995, 17994, 23992, 26991, 29990, 35988, 44985, 47984, 53982, 59980, 71976, 89970, 107964, 119960, 134955, 143952, 179940, 215928, 239920, 269910, 359880, 431856, 539820, 719760, 1079640, 2159280]

約数ペア:

[(1, 2159280), (2, 1079640), (3, 719760), (4, 539820), (5, 431856), (6, 359880), (8, 269910), (9, 239920), (10, 215928), (12, 179940), (15, 143952), (16, 134955), (18, 119960), (20, 107964), (24, 89970), (30, 71976), (36, 59980), (40, 53982), (45, 47984), (48, 44985), (60, 35988), (72, 29990), (80, 26991), (90, 23992), (120, 17994), (144, 14995), (180, 11996), (240, 8997), (360, 5998), (720, 2999)]