690764880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221399}}^1$

素因数の和:221428

約数の個数: 80

約数和(自身を含む): 2306102400

約数和(自身を除く): 1615337520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 221399, 442798, 664197, 885596, 1106995, 1328394, 1771192, 2213990, 2656788, 2878187, 3320985, 3542384, 4427980, 5313576, 5756374, 6641970, 8634561, 8855960, 10627152, 11512748, 13283940, 14390935, 17269122, 17711920, 23025496, 26567880, 28781870, 34538244, 43172805, 46050992, 53135760, 57563740, 69076488, 86345610, 115127480, 138152976, 172691220, 230254960, 345382440, 690764880]

約数ペア:

[(1, 690764880), (2, 345382440), (3, 230254960), (4, 172691220), (5, 138152976), (6, 115127480), (8, 86345610), (10, 69076488), (12, 57563740), (13, 53135760), (15, 46050992), (16, 43172805), (20, 34538244), (24, 28781870), (26, 26567880), (30, 23025496), (39, 17711920), (40, 17269122), (48, 14390935), (52, 13283940), (60, 11512748), (65, 10627152), (78, 8855960), (80, 8634561), (104, 6641970), (120, 5756374), (130, 5313576), (156, 4427980), (195, 3542384), (208, 3320985), (240, 2878187), (260, 2656788), (312, 2213990), (390, 1771192), (520, 1328394), (624, 1106995), (780, 885596), (1040, 664197), (1560, 442798), (3120, 221399)]