68723640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{21211}}^1$

素因数の和:21234

約数の個数: 80

約数和(自身を含む): 230998680

約数和(自身を除く): 162275040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 21211, 42422, 63633, 84844, 106055, 127266, 169688, 190899, 212110, 254532, 318165, 381798, 424220, 509064, 572697, 636330, 763596, 848440, 954495, 1145394, 1272660, 1527192, 1718091, 1908990, 2290788, 2545320, 2863485, 3436182, 3817980, 4581576, 5726970, 6872364, 7635960, 8590455, 11453940, 13744728, 17180910, 22907880, 34361820, 68723640]

約数ペア:

[(1, 68723640), (2, 34361820), (3, 22907880), (4, 17180910), (5, 13744728), (6, 11453940), (8, 8590455), (9, 7635960), (10, 6872364), (12, 5726970), (15, 4581576), (18, 3817980), (20, 3436182), (24, 2863485), (27, 2545320), (30, 2290788), (36, 1908990), (40, 1718091), (45, 1527192), (54, 1272660), (60, 1145394), (72, 954495), (81, 848440), (90, 763596), (108, 636330), (120, 572697), (135, 509064), (162, 424220), (180, 381798), (216, 318165), (270, 254532), (324, 212110), (360, 190899), (405, 169688), (540, 127266), (648, 106055), (810, 84844), (1080, 63633), (1620, 42422), (3240, 21211)]