319611760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1609}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 804948480

約数和(自身を除く): 485336720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 382, 520, 764, 955, 1040, 1528, 1609, 1910, 2483, 3056, 3218, 3820, 4966, 6436, 7640, 8045, 9932, 12415, 12872, 15280, 16090, 19864, 20917, 24830, 25744, 32180, 39728, 41834, 49660, 64360, 83668, 99320, 104585, 128720, 167336, 198640, 209170, 307319, 334672, 418340, 614638, 836680, 1229276, 1536595, 1673360, 2458552, 3073190, 3995147, 4917104, 6146380, 7990294, 12292760, 15980588, 19975735, 24585520, 31961176, 39951470, 63922352, 79902940, 159805880, 319611760]

約数ペア:

[(1, 319611760), (2, 159805880), (4, 79902940), (5, 63922352), (8, 39951470), (10, 31961176), (13, 24585520), (16, 19975735), (20, 15980588), (26, 12292760), (40, 7990294), (52, 6146380), (65, 4917104), (80, 3995147), (104, 3073190), (130, 2458552), (191, 1673360), (208, 1536595), (260, 1229276), (382, 836680), (520, 614638), (764, 418340), (955, 334672), (1040, 307319), (1528, 209170), (1609, 198640), (1910, 167336), (2483, 128720), (3056, 104585), (3218, 99320), (3820, 83668), (4966, 64360), (6436, 49660), (7640, 41834), (8045, 39728), (9932, 32180), (12415, 25744), (12872, 24830), (15280, 20917), (16090, 19864)]