31671640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 98249760

約数和(自身を除く): 66578120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 113, 130, 140, 143, 154, 182, 196, 220, 226, 245, 260, 280, 286, 308, 364, 385, 392, 440, 452, 455, 490, 520, 539, 565, 572, 616, 637, 715, 728, 770, 791, 904, 910, 980, 1001, 1078, 1130, 1144, 1243, 1274, 1430, 1469, 1540, 1582, 1820, 1960, 2002, 2156, 2260, 2486, 2548, 2695, 2860, 2938, 3080, 3164, 3185, 3640, 3955, 4004, 4312, 4520, 4972, 5005, 5096, 5390, 5537, 5720, 5876, 6215, 6328, 6370, 7007, 7345, 7910, 8008, 8701, 9944, 10010, 10283, 10780, 11074, 11752, 12430, 12740, 14014, 14690, 15820, 16159, 17402, 20020, 20566, 21560, 22148, 24860, 25480, 27685, 28028, 29380, 31640, 32318, 34804, 35035, 40040, 41132, 43505, 44296, 49720, 51415, 55370, 56056, 58760, 60907, 64636, 69608, 70070, 71981, 80795, 82264, 87010, 102830, 110740, 113113, 121814, 129272, 140140, 143962, 161590, 174020, 205660, 221480, 226226, 243628, 280280, 287924, 304535, 323180, 348040, 359905, 411320, 452452, 487256, 565565, 575848, 609070, 646360, 719810, 791791, 904904, 1131130, 1218140, 1439620, 1583582, 2262260, 2436280, 2879240, 3167164, 3958955, 4524520, 6334328, 7917910, 15835820, 31671640]

約数ペア:

[(1, 31671640), (2, 15835820), (4, 7917910), (5, 6334328), (7, 4524520), (8, 3958955), (10, 3167164), (11, 2879240), (13, 2436280), (14, 2262260), (20, 1583582), (22, 1439620), (26, 1218140), (28, 1131130), (35, 904904), (40, 791791), (44, 719810), (49, 646360), (52, 609070), (55, 575848), (56, 565565), (65, 487256), (70, 452452), (77, 411320), (88, 359905), (91, 348040), (98, 323180), (104, 304535), (110, 287924), (113, 280280), (130, 243628), (140, 226226), (143, 221480), (154, 205660), (182, 174020), (196, 161590), (220, 143962), (226, 140140), (245, 129272), (260, 121814), (280, 113113), (286, 110740), (308, 102830), (364, 87010), (385, 82264), (392, 80795), (440, 71981), (452, 70070), (455, 69608), (490, 64636), (520, 60907), (539, 58760), (565, 56056), (572, 55370), (616, 51415), (637, 49720), (715, 44296), (728, 43505), (770, 41132), (791, 40040), (904, 35035), (910, 34804), (980, 32318), (1001, 31640), (1078, 29380), (1130, 28028), (1144, 27685), (1243, 25480), (1274, 24860), (1430, 22148), (1469, 21560), (1540, 20566), (1582, 20020), (1820, 17402), (1960, 16159), (2002, 15820), (2156, 14690), (2260, 14014), (2486, 12740), (2548, 12430), (2695, 11752), (2860, 11074), (2938, 10780), (3080, 10283), (3164, 10010), (3185, 9944), (3640, 8701), (3955, 8008), (4004, 7910), (4312, 7345), (4520, 7007), (4972, 6370), (5005, 6328), (5096, 6215), (5390, 5876), (5537, 5720)]