311207820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9623}}^1$

素因数の和:9660

約数の個数: 144

約数和(自身を含む): 1105913088

約数和(自身を除く): 794705268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 2156, 2310, 2695, 2940, 3234, 4620, 5390, 6468, 8085, 9623, 10780, 16170, 19246, 28869, 32340, 38492, 48115, 57738, 67361, 96230, 105853, 115476, 134722, 144345, 192460, 202083, 211706, 269444, 288690, 317559, 336805, 404166, 423412, 471527, 529265, 577380, 635118, 673610, 740971, 808332, 943054, 1010415, 1058530, 1270236, 1347220, 1414581, 1481942, 1587795, 1886108, 2020830, 2117060, 2222913, 2357635, 2829162, 2963884, 3175590, 3704855, 4041660, 4445826, 4715270, 5186797, 5658324, 6351180, 7072905, 7409710, 8891652, 9430540, 10373594, 11114565, 14145810, 14819420, 15560391, 20747188, 22229130, 25933985, 28291620, 31120782, 44458260, 51867970, 62241564, 77801955, 103735940, 155603910, 311207820]

約数ペア:

[(1, 311207820), (2, 155603910), (3, 103735940), (4, 77801955), (5, 62241564), (6, 51867970), (7, 44458260), (10, 31120782), (11, 28291620), (12, 25933985), (14, 22229130), (15, 20747188), (20, 15560391), (21, 14819420), (22, 14145810), (28, 11114565), (30, 10373594), (33, 9430540), (35, 8891652), (42, 7409710), (44, 7072905), (49, 6351180), (55, 5658324), (60, 5186797), (66, 4715270), (70, 4445826), (77, 4041660), (84, 3704855), (98, 3175590), (105, 2963884), (110, 2829162), (132, 2357635), (140, 2222913), (147, 2117060), (154, 2020830), (165, 1886108), (196, 1587795), (210, 1481942), (220, 1414581), (231, 1347220), (245, 1270236), (294, 1058530), (308, 1010415), (330, 943054), (385, 808332), (420, 740971), (462, 673610), (490, 635118), (539, 577380), (588, 529265), (660, 471527), (735, 423412), (770, 404166), (924, 336805), (980, 317559), (1078, 288690), (1155, 269444), (1470, 211706), (1540, 202083), (1617, 192460), (2156, 144345), (2310, 134722), (2695, 115476), (2940, 105853), (3234, 96230), (4620, 67361), (5390, 57738), (6468, 48115), (8085, 38492), (9623, 32340), (10780, 28869), (16170, 19246)]