81376272520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{6131}}^1$

素因数の和:6439

約数の個数: 128

約数和(自身を含む): 196690032000

約数和(自身を除く): 115313759480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 149, 170, 262, 298, 340, 524, 596, 655, 680, 745, 1048, 1192, 1310, 1490, 2227, 2533, 2620, 2980, 4454, 5066, 5240, 5960, 6131, 8908, 10132, 11135, 12262, 12665, 17816, 19519, 20264, 22270, 24524, 25330, 30655, 39038, 44540, 49048, 50660, 61310, 78076, 89080, 97595, 101320, 104227, 122620, 156152, 195190, 208454, 245240, 331823, 390380, 416908, 521135, 663646, 780760, 803161, 833816, 913519, 1042270, 1327292, 1606322, 1659115, 1827038, 2084540, 2654584, 3212644, 3318230, 3654076, 4015805, 4169080, 4567595, 6425288, 6636460, 7308152, 8031610, 9135190, 13272920, 13653737, 15529823, 16063220, 18270380, 27307474, 31059646, 32126440, 36540760, 54614948, 62119292, 68268685, 77649115, 109229896, 119670989, 124238584, 136537370, 155298230, 239341978, 273074740, 310596460, 478683956, 546149480, 598354945, 621192920, 957367912, 1196709890, 2034406813, 2393419780, 4068813626, 4786839560, 8137627252, 10172034065, 16275254504, 20344068130, 40688136260, 81376272520]

約数ペア:

[(1, 81376272520), (2, 40688136260), (4, 20344068130), (5, 16275254504), (8, 10172034065), (10, 8137627252), (17, 4786839560), (20, 4068813626), (34, 2393419780), (40, 2034406813), (68, 1196709890), (85, 957367912), (131, 621192920), (136, 598354945), (149, 546149480), (170, 478683956), (262, 310596460), (298, 273074740), (340, 239341978), (524, 155298230), (596, 136537370), (655, 124238584), (680, 119670989), (745, 109229896), (1048, 77649115), (1192, 68268685), (1310, 62119292), (1490, 54614948), (2227, 36540760), (2533, 32126440), (2620, 31059646), (2980, 27307474), (4454, 18270380), (5066, 16063220), (5240, 15529823), (5960, 13653737), (6131, 13272920), (8908, 9135190), (10132, 8031610), (11135, 7308152), (12262, 6636460), (12665, 6425288), (17816, 4567595), (19519, 4169080), (20264, 4015805), (22270, 3654076), (24524, 3318230), (25330, 3212644), (30655, 2654584), (39038, 2084540), (44540, 1827038), (49048, 1659115), (50660, 1606322), (61310, 1327292), (78076, 1042270), (89080, 913519), (97595, 833816), (101320, 803161), (104227, 780760), (122620, 663646), (156152, 521135), (195190, 416908), (208454, 390380), (245240, 331823)]