402239760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128923}}^1$

素因数の和:128952

約数の個数: 80

約数和(自身を含む): 1342872384

約数和(自身を除く): 940632624

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, 128923, 257846, 386769, 515692, 644615, 773538, 1031384, 1289230, 1547076, 1675999, 1933845, 2062768, 2578460, 3094152, 3351998, 3867690, 5027997, 5156920, 6188304, 6703996, 7735380, 8379995, 10055994, 10313840, 13407992, 15470760, 16759990, 20111988, 25139985, 26815984, 30941520, 33519980, 40223976, 50279970, 67039960, 80447952, 100559940, 134079920, 201119880, 402239760]

約数ペア:

[(1, 402239760), (2, 201119880), (3, 134079920), (4, 100559940), (5, 80447952), (6, 67039960), (8, 50279970), (10, 40223976), (12, 33519980), (13, 30941520), (15, 26815984), (16, 25139985), (20, 20111988), (24, 16759990), (26, 15470760), (30, 13407992), (39, 10313840), (40, 10055994), (48, 8379995), (52, 7735380), (60, 6703996), (65, 6188304), (78, 5156920), (80, 5027997), (104, 3867690), (120, 3351998), (130, 3094152), (156, 2578460), (195, 2062768), (208, 1933845), (240, 1675999), (260, 1547076), (312, 1289230), (390, 1031384), (520, 773538), (624, 644615), (780, 515692), (1040, 386769), (1560, 257846), (3120, 128923)]