31191415640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{67967}}^1$

素因数の和:68145

約数の個数: 128

約数和(自身を含む): 88086528000

約数和(自身を除く): 56895112360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 149, 154, 220, 280, 298, 308, 385, 440, 596, 616, 745, 770, 1043, 1192, 1490, 1540, 1639, 2086, 2980, 3080, 3278, 4172, 5215, 5960, 6556, 8195, 8344, 10430, 11473, 13112, 16390, 20860, 22946, 32780, 41720, 45892, 57365, 65560, 67967, 91784, 114730, 135934, 229460, 271868, 339835, 458920, 475769, 543736, 679670, 747637, 951538, 1359340, 1495274, 1903076, 2378845, 2718680, 2990548, 3738185, 3806152, 4757690, 5233459, 5981096, 7476370, 9515380, 10127083, 10466918, 14952740, 19030760, 20254166, 20933836, 26167295, 29905480, 40508332, 41867672, 50635415, 52334590, 70889581, 81016664, 101270830, 104669180, 111397913, 141779162, 202541660, 209338360, 222795826, 283558324, 354447905, 405083320, 445591652, 556989565, 567116648, 708895810, 779785391, 891183304, 1113979130, 1417791620, 1559570782, 2227958260, 2835583240, 3119141564, 3898926955, 4455916520, 6238283128, 7797853910, 15595707820, 31191415640]

約数ペア:

[(1, 31191415640), (2, 15595707820), (4, 7797853910), (5, 6238283128), (7, 4455916520), (8, 3898926955), (10, 3119141564), (11, 2835583240), (14, 2227958260), (20, 1559570782), (22, 1417791620), (28, 1113979130), (35, 891183304), (40, 779785391), (44, 708895810), (55, 567116648), (56, 556989565), (70, 445591652), (77, 405083320), (88, 354447905), (110, 283558324), (140, 222795826), (149, 209338360), (154, 202541660), (220, 141779162), (280, 111397913), (298, 104669180), (308, 101270830), (385, 81016664), (440, 70889581), (596, 52334590), (616, 50635415), (745, 41867672), (770, 40508332), (1043, 29905480), (1192, 26167295), (1490, 20933836), (1540, 20254166), (1639, 19030760), (2086, 14952740), (2980, 10466918), (3080, 10127083), (3278, 9515380), (4172, 7476370), (5215, 5981096), (5960, 5233459), (6556, 4757690), (8195, 3806152), (8344, 3738185), (10430, 2990548), (11473, 2718680), (13112, 2378845), (16390, 1903076), (20860, 1495274), (22946, 1359340), (32780, 951538), (41720, 747637), (45892, 679670), (57365, 543736), (65560, 475769), (67967, 458920), (91784, 339835), (114730, 271868), (135934, 229460)]